diff --git a/Aerial/Source/Models/Time/TimeManagement.swift b/Aerial/Source/Models/Time/TimeManagement.swift
index 388cdef3..8b0706cd 100644
--- a/Aerial/Source/Models/Time/TimeManagement.swift
+++ b/Aerial/Source/Models/Time/TimeManagement.swift
@@ -162,20 +162,35 @@ class TimeManagement: NSObject {
 
                 switch preferences.solarMode {
                 case Preferences.SolarMode.official.rawValue:
-                    sunriseString = dateFormatter.string(from: (solar?.sunrise)!)
-                    sunsetString = dateFormatter.string(from: (solar?.sunset)!)
+                    guard let sunrise = solar?.sunrise, let sunset = solar?.sunset else {
+                       return (false, "Can't process your coordinates, please verify")
+                    }
+                    sunriseString = dateFormatter.string(from: sunrise)
+                    sunsetString = dateFormatter.string(from: sunset)
                 case Preferences.SolarMode.strict.rawValue:
-                    sunriseString = dateFormatter.string(from: (solar?.strictSunrise)!)
-                    sunsetString = dateFormatter.string(from: (solar?.strictSunset)!)
+                    guard let sunrise = solar?.strictSunrise, let sunset = solar?.strictSunset else {
+                        return (false, "Can't process your coordinates, please verify")
+                    }
+                    sunriseString = dateFormatter.string(from: sunrise)
+                    sunsetString = dateFormatter.string(from: sunset)
                 case Preferences.SolarMode.civil.rawValue:
-                    sunriseString = dateFormatter.string(from: (solar?.civilSunrise)!)
-                    sunsetString = dateFormatter.string(from: (solar?.civilSunset)!)
+                    guard let sunrise = solar?.civilSunrise, let sunset = solar?.civilSunset else {
+                        return (false, "Can't process your coordinates, please verify")
+                    }
+                    sunriseString = dateFormatter.string(from: sunrise)
+                    sunsetString = dateFormatter.string(from: sunset)
                 case Preferences.SolarMode.nautical.rawValue:
-                    sunriseString = dateFormatter.string(from: (solar?.nauticalSunrise)!)
-                    sunsetString = dateFormatter.string(from: (solar?.nauticalSunset)!)
+                    guard let sunrise = solar?.nauticalSunrise, let sunset = solar?.nauticalSunset else {
+                        return (false, "Can't process your coordinates, please verify")
+                    }
+                    sunriseString = dateFormatter.string(from: sunrise)
+                    sunsetString = dateFormatter.string(from: sunset)
                 default:
-                    sunriseString = dateFormatter.string(from: (solar?.astronomicalSunrise)!)
-                    sunsetString = dateFormatter.string(from: (solar?.astronomicalSunset)!)
+                    guard let sunrise = solar?.astronomicalSunrise, let sunset = solar?.astronomicalSunset else {
+                        return (false, "Can't process your coordinates, please verify")
+                    }
+                    sunriseString = dateFormatter.string(from: sunrise)
+                    sunsetString = dateFormatter.string(from: sunset)
                 }
 
                 if preferences.solarMode == Preferences.SolarMode.official.rawValue ||
diff --git a/Resources/Info.plist b/Resources/Info.plist
index 9ae057af..610c7b8c 100644
--- a/Resources/Info.plist
+++ b/Resources/Info.plist
@@ -15,11 +15,11 @@
 	<key>CFBundlePackageType</key>
 	<string>BNDL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.4.5beta3</string>
+	<string>1.4.5beta4</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>1.4.5beta3</string>
+	<string>1.4.5beta4</string>
 	<key>LSApplicationCategoryType</key>
 	<string></string>
 	<key>LSMinimumSystemVersion</key>
diff --git a/Resources/PreferencesWindow.xib b/Resources/PreferencesWindow.xib
index 0c4454a8..a54a0684 100644
--- a/Resources/PreferencesWindow.xib
+++ b/Resources/PreferencesWindow.xib
@@ -297,7 +297,7 @@
                                                         <autoresizingMask key="autoresizingMask"/>
                                                     </scroller>
                                                 </scrollView>
-                                                <popUpButton verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="rUc-qc-3p7">
+                                                <popUpButton toolTip="Pick your preferred video format, see help for more information" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="rUc-qc-3p7">
                                                     <rect key="frame" x="456" y="110" width="115" height="25"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <popUpButtonCell key="cell" type="push" title="1080p H264" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" imageScaling="proportionallyDown" inset="2" selectedItem="xf3-qe-aEd" id="kDC-Tc-OTg">
@@ -402,7 +402,7 @@ is disabled
                                                         <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
                                                     </textFieldCell>
                                                 </textField>
-                                                <popUpButton verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="VMF-XF-l84">
+                                                <popUpButton toolTip="Pick how to handle multiple monitor setups" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="VMF-XF-l84">
                                                     <rect key="frame" x="385" y="178" width="215" height="25"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <popUpButtonCell key="cell" type="push" title="Only on Main Display" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" imageScaling="proportionallyDown" inset="2" selectedItem="ajH-jt-gZt" id="X1b-79-RBP">
@@ -440,7 +440,7 @@ is disabled
                                                         <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
                                                     </textFieldCell>
                                                 </textField>
-                                                <popUpButton verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="405-v4-6d2">
+                                                <popUpButton toolTip="The duration of the fades at the begginning and the end of each video" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="405-v4-6d2">
                                                     <rect key="frame" x="385" y="144" width="107" height="25"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <popUpButtonCell key="cell" type="push" title="1 Second" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" imageScaling="proportionallyDown" inset="2" selectedItem="4aA-BM-bD5" id="WDB-Zy-UB4">
@@ -461,7 +461,7 @@ is disabled
                                                         <action selector="fadeInOutModePopupChange:" target="-2" id="1AU-eo-tea"/>
                                                     </connections>
                                                 </popUpButton>
-                                                <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="bw6-Ue-9DG">
+                                                <button toolTip="Use a different video format on battery" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="bw6-Ue-9DG">
                                                     <rect key="frame" x="307" y="81" width="140" height="18"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <buttonCell key="cell" type="check" title="Override on battery" bezelStyle="regularSquare" imagePosition="left" inset="2" id="JUa-dm-8H0">
@@ -472,7 +472,7 @@ is disabled
                                                         <action selector="overrideOnBatteryClick:" target="-2" id="C0Y-uJ-vii"/>
                                                     </connections>
                                                 </button>
-                                                <popUpButton verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="9xO-ny-a0c">
+                                                <popUpButton toolTip="Alternate video format to be used on battery" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="9xO-ny-a0c">
                                                     <rect key="frame" x="456" y="76" width="115" height="25"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <popUpButtonCell key="cell" type="push" title="Power Saving" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" imageScaling="proportionallyDown" inset="2" selectedItem="cOy-X5-itc" id="VMG-n7-jo8">
@@ -493,7 +493,7 @@ is disabled
                                                         <action selector="alternateVideoFormatChange:" target="-2" id="AtZ-aB-E7v"/>
                                                     </connections>
                                                 </popUpButton>
-                                                <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="J8F-d4-4Mv">
+                                                <button toolTip="Force Power saving mode when your battery is low" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="J8F-d4-4Mv">
                                                     <rect key="frame" x="325" y="51" width="192" height="18"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <buttonCell key="cell" type="check" title="Power saving on low battery" bezelStyle="regularSquare" imagePosition="left" inset="2" id="uS6-Sb-3uu">
@@ -504,7 +504,7 @@ is disabled
                                                         <action selector="powerSavingOnLowClick:" target="-2" id="zQu-Xe-qM8"/>
                                                     </connections>
                                                 </button>
-                                                <button toolTip="Click for more information on Video Formats" horizontalHuggingPriority="750" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="1SL-9J-jhX">
+                                                <button toolTip="Click for more information on Power Saving" horizontalHuggingPriority="750" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="1SL-9J-jhX">
                                                     <rect key="frame" x="574" y="45" width="25" height="25"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <buttonCell key="cell" type="help" bezelStyle="helpButton" alignment="center" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="TCe-vE-1An">
@@ -632,7 +632,7 @@ should appear</string>
                                                         <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
                                                     </textFieldCell>
                                                 </textField>
-                                                <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="83x-xb-rDh">
+                                                <button toolTip="Show a clock synced with our location information" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="83x-xb-rDh">
                                                     <rect key="frame" x="48" y="91" width="91" height="18"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <buttonCell key="cell" type="check" title="Show clock" bezelStyle="regularSquare" imagePosition="left" inset="2" id="7vP-TN-hCp">
@@ -643,7 +643,7 @@ should appear</string>
                                                         <action selector="showClockClick:" target="-2" id="egu-65-mHF"/>
                                                     </connections>
                                                 </button>
-                                                <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="2y8-kQ-UrX">
+                                                <button toolTip="Display an extra mesage that will stay on screen while video plays" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="2y8-kQ-UrX">
                                                     <rect key="frame" x="48" y="61" width="170" height="18"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <buttonCell key="cell" type="check" title="Show an extra message:" bezelStyle="regularSquare" imagePosition="left" inset="2" id="M45-GZ-rJv">
@@ -654,7 +654,7 @@ should appear</string>
                                                         <action selector="showExtraMessageClick:" target="-2" id="fsP-nn-SML"/>
                                                     </connections>
                                                 </button>
-                                                <popUpButton verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="3qM-Dd-kr0">
+                                                <popUpButton toolTip="Where should the extra informations appear relative to the location information" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="3qM-Dd-kr0">
                                                     <rect key="frame" x="406" y="112" width="194" height="25"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <popUpButtonCell key="cell" type="push" title="Same Corner" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" imageScaling="proportionallyDown" inset="2" selectedItem="uj4-aP-av9" id="R01-5V-mfi">
@@ -715,7 +715,7 @@ should appear</string>
                                                         <action selector="extraTextFieldChange:" target="-2" id="SPD-NN-nV1"/>
                                                     </connections>
                                                 </textField>
-                                                <popUpButton verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="vwV-g6-SF4">
+                                                <popUpButton identifier="Duration of the fades for the text" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="vwV-g6-SF4">
                                                     <rect key="frame" x="273" y="316" width="107" height="25"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <popUpButtonCell key="cell" type="push" title="1 Second" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" imageScaling="proportionallyDown" inset="2" selectedItem="A8B-Cb-jvo" id="YEr-La-tPj">
@@ -736,7 +736,7 @@ should appear</string>
                                                         <action selector="fadeInOutTextModePopupChange:" target="-2" id="oYq-Zs-e8C"/>
                                                     </connections>
                                                 </popUpButton>
-                                                <popUpButton verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="qmX-6m-Whj">
+                                                <popUpButton toolTip="How long should each text appear" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="qmX-6m-Whj">
                                                     <rect key="frame" x="89" y="316" width="107" height="25"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <popUpButtonCell key="cell" type="push" title="10 Seconds" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" imageScaling="proportionallyDown" inset="2" selectedItem="wjq-nI-072" id="S3w-hi-xoE">
@@ -753,7 +753,7 @@ should appear</string>
                                                         <action selector="descriptionModePopupChange:" target="-2" id="Eas-vP-eBK"/>
                                                     </connections>
                                                 </popUpButton>
-                                                <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="1e6-Z5-uo6">
+                                                <button toolTip="Aerial includes community location information for some of the videos that lacks them" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="1e6-Z5-uo6">
                                                     <rect key="frame" x="48" y="245" width="281" height="18"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <buttonCell key="cell" type="check" title="Use community information when available" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="6kr-NQ-0Qs">
@@ -784,7 +784,7 @@ should appear</string>
                                                         <action selector="withSecondsClick:" target="-2" id="he8-pg-Z08"/>
                                                     </connections>
                                                 </button>
-                                                <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="VPG-cS-U1N">
+                                                <button toolTip="Change the distance between the corner of the screen and where the descriptions should appear" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="VPG-cS-U1N">
                                                     <rect key="frame" x="48" y="175" width="252" height="18"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <buttonCell key="cell" type="check" title="Change margins to corner. Horizontal:" bezelStyle="regularSquare" imagePosition="left" inset="2" id="Yqe-zy-Vzd">
@@ -795,7 +795,7 @@ should appear</string>
                                                         <action selector="changeMarginsToCornerClick:" target="-2" id="mVh-L6-oao"/>
                                                     </connections>
                                                 </button>
-                                                <button toolTip="How long should the descriptions stay on screen" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="omO-3f-eoL">
+                                                <button toolTip="Show location information on screen while the video plays" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="omO-3f-eoL">
                                                     <rect key="frame" x="29" y="321" width="56" height="18"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <buttonCell key="cell" type="check" title="Show" bezelStyle="regularSquare" imagePosition="left" inset="2" id="F7m-zV-2tM">
@@ -839,7 +839,7 @@ should appear</string>
                                                         <action selector="descriptionCornerChange:" target="-2" id="yiB-fS-NDl"/>
                                                     </connections>
                                                 </button>
-                                                <textField verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="qya-NI-lYj">
+                                                <textField toolTip="Horizontal margin" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="qya-NI-lYj">
                                                     <rect key="frame" x="315" y="173" width="57" height="22"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" selectable="YES" editable="YES" continuous="YES" enabled="NO" sendsActionOnEndEditing="YES" borderStyle="bezel" drawsBackground="YES" id="kTd-YJ-WbM">
@@ -854,7 +854,7 @@ should appear</string>
                                                         <action selector="marginXChange:" target="-2" id="gsz-Z2-rHe"/>
                                                     </connections>
                                                 </textField>
-                                                <textField verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Neu-QE-nZl">
+                                                <textField toolTip="Vertical margin" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Neu-QE-nZl">
                                                     <rect key="frame" x="448" y="173" width="57" height="22"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" selectable="YES" editable="YES" continuous="YES" enabled="NO" sendsActionOnEndEditing="YES" borderStyle="bezel" drawsBackground="YES" id="07I-O8-ews">
@@ -904,7 +904,7 @@ should appear</string>
                                         </view>
                                     </tabViewItem>
                                     <tabViewItem label="Time" identifier="" id="PtY-yV-jgj">
-                                        <view key="view" ambiguous="YES" id="ziy-Hg-uzO">
+                                        <view key="view" id="ziy-Hg-uzO">
                                             <rect key="frame" x="10" y="33" width="614" height="381"/>
                                             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                             <subviews>
@@ -1035,7 +1035,7 @@ should appear</string>
                                                         <action selector="timeModeChange:" target="-2" id="sh6-vT-dc3"/>
                                                     </connections>
                                                 </button>
-                                                <textField verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="d5o-Ad-4FR">
+                                                <textField toolTip="Latitude in degrees" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="d5o-Ad-4FR">
                                                     <rect key="frame" x="194" y="315" width="100" height="22"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" selectable="YES" editable="YES" sendsActionOnEndEditing="YES" borderStyle="bezel" placeholderString="Latitude" drawsBackground="YES" id="Y5c-TF-kD6">
@@ -1062,7 +1062,7 @@ should appear</string>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <imageCell key="cell" refusesFirstResponder="YES" alignment="left" imageScaling="proportionallyDown" image="NSBookmarksTemplate" id="W77-TL-rnp"/>
                                                 </imageView>
-                                                <popUpButton verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="7nt-0g-1hP">
+                                                <popUpButton toolTip="Pick your favorite dawn/dusk sunrise/sunset calculation method, see help for more" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="7nt-0g-1hP">
                                                     <rect key="frame" x="445" y="313" width="135" height="25"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <popUpButtonCell key="cell" type="push" title="Strict (0°)" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" imageScaling="proportionallyDown" inset="2" selectedItem="kH5-rV-H5C" id="4pa-RC-tZL">
@@ -1097,7 +1097,7 @@ should appear</string>
                                                         <action selector="helpTimeButtonClick:" target="-2" id="xRi-jq-5MG"/>
                                                     </connections>
                                                 </button>
-                                                <textField verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="C6M-uu-0iJ">
+                                                <textField toolTip="Longitude in degrees" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="C6M-uu-0iJ">
                                                     <rect key="frame" x="301" y="315" width="100" height="22"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" selectable="YES" editable="YES" sendsActionOnEndEditing="YES" borderStyle="bezel" placeholderString="Longitude" drawsBackground="YES" id="u7r-RB-uaK">
@@ -1148,7 +1148,7 @@ Shift, but macOS 10.12.4 or above and a compatible Mac are required) </string>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <imageCell key="cell" refusesFirstResponder="YES" alignment="left" imageScaling="proportionallyDown" image="NSHomeTemplate" id="lQX-Ux-Sz8"/>
                                                 </imageView>
-                                                <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="YJt-Nf-qyK">
+                                                <button toolTip="This will override the time settings to always show night videos if you have enabled dark mode" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="YJt-Nf-qyK">
                                                     <rect key="frame" x="8" y="7" width="264" height="18"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                                     <buttonCell key="cell" type="check" title="Always show night videos on dark mode" bezelStyle="regularSquare" imagePosition="left" inset="2" id="nZy-k8-5B4">
@@ -1187,6 +1187,7 @@ Shift, but macOS 10.12.4 or above and a compatible Mac are required) </string>
                                                 <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="UKx-5p-svW">
                                                     <rect key="frame" x="27" y="310" width="239" height="18"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+                                                    <string key="toolTip">If enabled, Aerial will lower your screen brightness to your desired setting, and fade it progressively until your Mac goes to sleep</string>
                                                     <buttonCell key="cell" type="check" title="Lower brightness when Aerial starts" bezelStyle="regularSquare" imagePosition="left" inset="2" id="MdD-Bf-9F4">
                                                         <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
                                                         <font key="font" metaFont="system"/>
@@ -1195,7 +1196,7 @@ Shift, but macOS 10.12.4 or above and a compatible Mac are required) </string>
                                                         <action selector="dimBrightnessClick:" target="-2" id="Pp1-bD-PMA"/>
                                                     </connections>
                                                 </button>
-                                                <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="bdT-Zs-z0b">
+                                                <button toolTip="Check if you only want to enable the brightness dimming at night" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="bdT-Zs-z0b">
                                                     <rect key="frame" x="51" y="131" width="194" height="18"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <buttonCell key="cell" type="check" title="Only dim brightness at night" bezelStyle="regularSquare" imagePosition="left" inset="2" id="bvC-tm-Maq">
@@ -1206,7 +1207,7 @@ Shift, but macOS 10.12.4 or above and a compatible Mac are required) </string>
                                                         <action selector="dimOnlyAtNightClick:" target="-2" id="i08-he-ajq"/>
                                                     </connections>
                                                 </button>
-                                                <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="kE5-h7-m5u">
+                                                <button toolTip="Check if you only want to enable the brightness dimming when on battery" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="kE5-h7-m5u">
                                                     <rect key="frame" x="51" y="99" width="210" height="18"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <buttonCell key="cell" type="check" title="Only dim brightness on battery" bezelStyle="regularSquare" imagePosition="left" inset="2" id="FlL-ZF-N5z">
@@ -1249,7 +1250,7 @@ Shift, but macOS 10.12.4 or above and a compatible Mac are required) </string>
                                                         <action selector="dimInMinutes:" target="-2" id="ti0-ZL-V4D"/>
                                                     </connections>
                                                 </stepper>
-                                                <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="37f-Tb-Ybv">
+                                                <button toolTip="By default, Aerial uses the time until your computer goes to sleep to fade your screen. You can override this if you want." verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="37f-Tb-Ybv">
                                                     <rect key="frame" x="51" y="163" width="178" height="18"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <buttonCell key="cell" type="check" title="Override fade duration to " bezelStyle="regularSquare" imagePosition="left" inset="2" id="dvI-1i-xHb">
@@ -1436,11 +1437,11 @@ Shift, but macOS 10.12.4 or above and a compatible Mac are required) </string>
                                         </view>
                                     </tabViewItem>
                                     <tabViewItem label="Advanced" identifier="" id="asf-lu-1rA">
-                                        <view key="view" id="303-Jh-DVp">
+                                        <view key="view" ambiguous="YES" id="303-Jh-DVp">
                                             <rect key="frame" x="10" y="33" width="614" height="381"/>
                                             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                             <subviews>
-                                                <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Veo-4u-pxN">
+                                                <button toolTip="Debug mode will enable extra debug information messages to be logged. " verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Veo-4u-pxN">
                                                     <rect key="frame" x="15" y="270" width="100" height="18"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <buttonCell key="cell" type="check" title="Debug mode" bezelStyle="regularSquare" imagePosition="left" inset="2" id="lpe-59-RED">
@@ -1451,7 +1452,7 @@ Shift, but macOS 10.12.4 or above and a compatible Mac are required) </string>
                                                         <action selector="debugModeClick:" target="-2" id="Q2W-BT-Fka"/>
                                                     </connections>
                                                 </button>
-                                                <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="roX-7H-4ec">
+                                                <button toolTip="This setting will save Aerial logs to a file " verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="roX-7H-4ec">
                                                     <rect key="frame" x="15" y="243" width="89" height="18"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <buttonCell key="cell" type="check" title="Log to disk" bezelStyle="regularSquare" imagePosition="left" inset="2" id="4Zh-Wo-icG">
@@ -1462,7 +1463,7 @@ Shift, but macOS 10.12.4 or above and a compatible Mac are required) </string>
                                                         <action selector="logToDiskClick:" target="-2" id="maK-IY-JXL"/>
                                                     </connections>
                                                 </button>
-                                                <button toolTip="Show error messages" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="YHz-Oa-hiw">
+                                                <button toolTip="Show log messages" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="YHz-Oa-hiw">
                                                     <rect key="frame" x="131" y="261" width="98" height="32"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <buttonCell key="cell" type="push" title="Show Logs" bezelStyle="rounded" alignment="center" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="NHO-B7-5DM">
@@ -1495,7 +1496,7 @@ Shift, but macOS 10.12.4 or above and a compatible Mac are required) </string>
                                                         <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
                                                     </textFieldCell>
                                                 </textField>
-                                                <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="TF9-0r-C9I">
+                                                <button toolTip="Show AerialLog.txt in finder" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="TF9-0r-C9I">
                                                     <rect key="frame" x="456" y="234" width="130" height="32"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                                     <buttonCell key="cell" type="push" title="Show in Finder" bezelStyle="rounded" alignment="center" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="HYt-mp-nmh">
@@ -1550,7 +1551,7 @@ Shift, but macOS 10.12.4 or above and a compatible Mac are required) </string>
                             <action selector="cancelDownloadsClick:" target="-2" id="4cs-b2-Gx9"/>
                         </connections>
                     </button>
-                    <button hidden="YES" toolTip="Show error messages" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Qtq-PW-JOS">
+                    <button hidden="YES" toolTip="Show log messages" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Qtq-PW-JOS">
                         <rect key="frame" x="72" y="11" width="131" height="23"/>
                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                         <buttonCell key="cell" type="roundTextured" title="Show Warning" bezelStyle="texturedRounded" image="NSActionTemplate" imagePosition="left" alignment="center" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="nGM-Iz-Zkv">
@@ -1561,7 +1562,7 @@ Shift, but macOS 10.12.4 or above and a compatible Mac are required) </string>
                             <action selector="logButtonClick:" target="-2" id="1t0-9o-sRl"/>
                         </connections>
                     </button>
-                    <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="cvY-s8-rnf">
+                    <button toolTip="Close Aerial configuration" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="cvY-s8-rnf">
                         <rect key="frame" x="275" y="11" width="81" height="23"/>
                         <autoresizingMask key="autoresizingMask" flexibleMaxY="YES"/>
                         <buttonCell key="cell" type="roundTextured" title="Done" bezelStyle="texturedRounded" alignment="center" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="GFI-5x-G9o">