Documentation: fix mkdocs admonition in unraid.md (#3983)

docs/installation/unraid.md

@@ -31,15 +31,15 @@ You may need to set the permissions of the folders to be able to edit the files.
 
 - To use the [Docker integration](../configs/docker.md), you only need to use the `container:` parameter. There is no need to set the server.
 
-  !!! note
+!!! note
 
       To view detailed container statistics (CPU, RAM, etc.), or if you use a remote docker socket, `container:` will still need to be set. For example:
 
-  ```
+```
     - Plex:
         icon: /icons/plex.png
         href: https://app.plex.com
         container: plex
-  ```
+```
 
 - When you upload a new image into the **/images** folder, you will need to restart the container for it to show up in the WebUI. Please see the [service icons](../configs/services.md#icons) for more information.