Removed prefix.

docs/configuration-guide.md

@@ -38,19 +38,19 @@ and *Studio Clock* .
 Set the radio station name
 
 ```ini
-config.station_name="Radio Orange"
+station_name="Radio Orange"
 ```
 
 Set the URL to the radio station logo
 
 ```ini
-config.station_logo_url="https://your-radio.station/logo.png"
+station_logo_url="https://your-radio.station/logo.png"
 ```
 
 Set the `width` of the radio station logo
 
 ```ini
-config.station_logo_size="120px"
+station_logo_size="120px"
 ```
 
 ## Soundcard
@@ -128,7 +128,7 @@ Sets the API URL exposed to external clients. This is required by the included
 web applications which access the API.
 
 ```ini
-config.exposed_api_url="https://your-radio.station/api/v3"
+exposed_api_url="https://your-radio.station/api/v3"
 ```
 
 ## Fading