Remove some stale info from Z-Wave (home-assistant#3551)

emlove · fabaff · commit 65b244f252e4 · 2017-10-21T10:19:49.000+02:00
diff --git a/source/_docs/z-wave.markdown b/source/_docs/z-wave.markdown
@@ -30,4 +30,5 @@ There are 2 basic things you'll need to use Z-Wave, a Z-Wave [controller](/docs/
 
 ### {% linkable_title Regional differences %}
 
-There are 12 different regions for Z-Wave devices, which relates to the frequency the devices use. There is overlap between the regions, but you should ensure that you buy devices for your region. Wikipedia has a list of the [frequencies used](https://en.wikipedia.org/wiki/Z-Wave#Radio_frequencies).
+There are 12 different regions for Z-Wave devices, which relates to the frequency the devices use. There is overlap between the regions, but you should ensure that you buy devices for your region. Wikipedia has a list of the [frequencies used](https://en.wikipedia.org/wiki/Z-Wave#Radio_frequencies).
+
