diff --git a/Plug-ins/Rust.ideplugin/Contents/Info.plist b/Plug-ins/Rust.ideplugin/Contents/Info.plist
index 5513039..020589a 100755
--- a/Plug-ins/Rust.ideplugin/Contents/Info.plist
+++ b/Plug-ins/Rust.ideplugin/Contents/Info.plist
@@ -56,6 +56,7 @@
 		<string>EFD92DF8-D0A2-4C92-B6E3-9B3CD7E8DC19</string>
 		<string>EA3EACC9-A0BE-423D-9BA3-AA8B9FE68E38</string>
 		<string>EB1EF21B-E756-4D3D-A6EA-E9C57D8C1924</string>
+		<string>EB2858C6-D4A9-4096-9AA3-BB5872AE7EF9</string>
 	</array>
 	<key>XCPluginHasUI</key>
 	<false/>
diff --git a/README.md b/README.md
index 200bef9..9c2a086 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,9 @@ Once the UUID is added, execute the `setup.sh` script
 You may have to quit and reopen Xcode once or twice and click the `Load Bundle` button in a popup that should appear automatically.
 
 ## Manual Install
+
+Make sure that your terminal app has the permission to write into the `Xcode.app` directory. You could run `touch /Applications/Xcode.app/Contents/test.txt` to test.
+
 Place the `Plug-ins` folders in `~/Library/Developer/Xcode`
 
 Place the `Rust.xclangspec` in `/Applications/Xcode.app/Contents/SharedFrameworks/SourceModel.framework/Versions/A/Resources/LanguageSpecifications`