Merge pull request #968 from ExpressionEngine/add/mime_vid

Adding tips from tom mimes vid

Author: robinsowell

docs/config/config-files.md

@@ -39,9 +39,14 @@ A list of HTML attributes that are allowed to be passed via EE template tag para
 
 `mimes.php`
 
-This file sets the mime types that are allowed to be uploaded using the upload class. For security reasons the list is kept as small as possible.  The mimes.php file in your user/config folder will override the system mimes.php entirely.  If you need to upload mime types that are not in the list you can add them. If you want to disallow a mime type that is allowed by default, you can remove it from your version of the mimes.php file.  
+This file sets the mime types that are allowed to be uploaded using the upload class. For security reasons the list is kept as small as possible.  The `mimes.php` file in your `system/user/config` folder will override the system `mimes.php` entirely.  If you need to upload mime types that are not in the list you can add them. If you want to disallow a mime type that is allowed by default, you can remove it from your mimes.php file and it will be disallowed.  
 
-The mime types are grouped by file type. These file types make up the 'Allowed File Types' options in the [upload directory](control-panel/file-manager/upload-directories.md#allowed-file-types) settings. You can add new mimes to an existing file type or create a new file type and add to that. Your new file type will be included as an option in the file upload preferrence file types.  
+The mime types are grouped by file type. These file types make up the 'Allowed File Types' options in the [upload directory](control-panel/file-manager/upload-directories.md#allowed-file-types) settings. You can add new mimes to an existing file type or create a new file type and add to that. Your new file type will be included as an option in the file upload preferrence file types.
+
+Tip: Customizing Allowed File Types in ExpressionEngine
+<div class="video-wrapper">
+<iframe src="https://www.youtube.com/embed/W6-NEmd7Urk" width="1920" height="1080" title="Customizing Allowed File Types in ExpressionEngine" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>
+</div>
 
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