clarify the usage of the sensor ("PWS" tag) (home-assistant#2035)

wroadd · fabaff · commit 5dcb6fbd2a27 · 2017-02-14T10:15:07.000+01:00
As it was not clear (at least for me), that the PWS sensor is the Weather Underground sensor, so a Note added at the bottom (like in darksky)
diff --git a/source/_components/sensor.wunderground.markdown b/source/_components/sensor.wunderground.markdown
@@ -114,5 +114,8 @@ Configuration variables:
 
 All the conditions listed above will be updated each 5 minutes with exception of `alerts` that will be updated each 15 minutes by default.
 
-Additional details about the API are available [here](https://www.wunderground.com/weather/api/d/docs).
+<p class='note warning'>
+Note: While the platform is called “wunderground” the sensors will show up in Home Assistant as “PWS” (eg: sensor.pws_weather).
+</p>
 
+Additional details about the API are available [here](https://www.wunderground.com/weather/api/d/docs).
