Update readme

README.md

@@ -65,12 +65,12 @@ matterbridge
 ```
 
 # Configuration
-* [matterbridge.toml.sample](https://github.com/42wim/matterbridge/blob/master/matterbridge.toml.sample) for documentation and an example.
-* [matterbridge.toml.simple](https://github.com/42wim/matterbridge/blob/master/matterbridge.toml.simple) for a simple example.
-
-## Create a configuration.
+## Basic configuration
 See [howto](https://github.com/42wim/matterbridge/wiki/How-to-create-your-config) for a step by step walkthrough for creating your configuration.
 
+## Advanced configuration
+* [matterbridge.toml.sample](https://github.com/42wim/matterbridge/blob/master/matterbridge.toml.sample) for documentation and an example.
+
 ## Examples 
 ### Bridge mattermost (off-topic) - irc (#testing)
 ```