Update allow_tradfri_groups in docs (home-assistant#3895)

MindFreeze · MartinHjelmare · commit 043753d793bd · 2017-11-05T14:09:43.000+01:00
The previous docs were very unclear on this option
diff --git a/source/_components/tradfri.markdown b/source/_components/tradfri.markdown
@@ -33,7 +33,7 @@ tradfri:
 Configuration variables:
 
  - **host** (*Required*): The IP address or hostname of your Trådfri gateway.
- - **allow_tradfri_groups** (*Optional*): Enable this to stop Home Assistant from importing the groups defined on the Trådfri bridge. Defaults to `true`.
+ - **allow_tradfri_groups** (*Optional*): Set this to `false` to stop Home Assistant from importing the groups defined on the Trådfri bridge. Defaults to `true`.
 
 <p class='note'>
 Do not use the `api_key` variable. The key is only needed once at initial setup.
