diff --git a/README.md b/README.md
index a77f68c..bac9de2 100644
--- a/README.md
+++ b/README.md
@@ -96,10 +96,10 @@ name              | string           | `null`     | create `<select>`, usable fo
 inputId           | string           | `null`     | allow targeting input using a html label.
 creatable         | bool             | `false`    | Allow creating new item(s)
 creatablePrefix   | string           | `*`        | Prefix marking new item
-allowEditing      | bool             | `false`    | When pressing `Backspace` switch to edit mode instead of removing newly created item
+allowEditing      | bool             | `false`    | When pressing `Backspace` switch to edit mode instead of removing newly created item. **NOTE** intended to be used with `creatable` property
 keepCreated       | bool             | `true`     | Switch whether to add newly created option to option list or not
 delimiter         | string           | `,`        | split inserted text when pasting to create multiple items
-createFilter      | function         | `null`     | Function, that transform input string to custom value. It can serve as a filter, if value is valid or not. If you want to dismiss entered value, function should return `''` (empty string). By default all input string is trimmed and all multiple spaces are removed
+createFilter      | function         | `null`     | Function, that transform input string to custom value. It can serve as a filter, if value is valid or not. If you want to dismiss entered value, function should return `''` (empty string). By default all input string is trimmed and all multiple spaces are removed. Function notation:<br>`createFilter(inputValue: string, dropdownOptions: array): string`
 fetch             | string\|function | `null`     | Check "remote datasource" section for more details
 fetchMode         | string           | `auto`     | When set to `init` options are fetched only when mounted, when searching it search in downloaded dataset
 fetchCallback     | function         | `null`     | optional fetch callback
diff --git a/docs/index.html b/docs/index.html
index 55eeb94..7171f31 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -781,7 +781,7 @@ <h4 id="options">Options</h4>
                 <td>allowEditing</td>
                 <td>bool</td>
                 <td><code>false</code></td>
-                <td>When pressing <code>Backspace</code> switch to edit mode instead of removing newly created item</td>
+                <td>When pressing <code>Backspace</code> switch to edit mode instead of removing newly created item. <b>NOTE:</b> intended to be used with <code>creatable</code> property.</td>
               </tr>
               <tr>
                 <td>keepCreated</td>
@@ -801,7 +801,9 @@ <h4 id="options">Options</h4>
                 <td><code>null</code></td>
                 <td>Function, that transform input string to custom value. It can serve as a filter, if value is valid or not.
                     If you want to dismiss entered value, function should return <code>''</code> (empty string). By default
-                    all input string is trimmed and all multiple spaces are removed.
+                    all input string is trimmed and all multiple spaces are removed. Function notation:
+                    <br>
+                    <code>createFilter(inputValue: string, dropdownOptions: array): string</code>
                 </td>
               </tr>
               <tr>