Update configuration sample

fabaff · fabaff · commit 6bb166a048fc · 2017-06-01T12:09:24.000+02:00
diff --git a/source/_components/sensor.arwn.markdown b/source/_components/sensor.arwn.markdown
@@ -18,7 +18,7 @@ To use your ARWN setup, you must already have configured the [MQTT](mqtt) platfo
 ```yaml
 # Example configuration.yaml entry
 sensor:
-  platform: arwn
+  - platform: arwn
 ```
 
-Currently all temperature, barometer, and wind sensors will be displayed. Support for rain gauge sensors will happen in the future.
+Currently all temperatures, barometers, and wind sensors will be displayed. Support for rain gauge sensors will happen in the future.
