Minimizing of the configuration sample (#1035)

source/_components/group.markdown

@@ -25,7 +25,6 @@ group:
     entities:
       - group.awesome_people
       - group.climate
-
   kitchen:
     name: Kitchen
     entities:
@@ -55,7 +54,7 @@ Example of groups shown as views in the frontend.
 
 If all entities in a group are switches or lights then Home Assistant adds a switch at the top of the card that turns them all on/off at once.
 
-You can create views (tabs) that contain other groups.  
+You can create views (tabs) that contain other groups.
 Notice in the example below that in order to refer to the group "Living Room", you use `group.living_room` (lowercase and spaces replaced with underscores).
 
 ```yaml
@@ -68,9 +67,9 @@ Notice in the example below that in order to refer to the group "Living Room", y
   Bedroom: light.light_bedroom, switch.sleeping
 
   Rooms:
-    view: yes                                 
+    view: yes
     name: Rooms
     entities:
-      - group.living_room                                 
-      - group.bedroom                                                                                                                                          
+      - group.living_room
+      - group.bedroom
 ``` 

source/_components/scene.markdown

@@ -23,7 +23,6 @@ scene:
         state: on
         xy_color: [0.33, 0.66]
         brightness: 200
-
   - name: Movies
     entities:
       light.tv_back_light:
@@ -32,6 +31,11 @@ scene:
       light.ceiling: off
 ```
 
+Configuration variables:
+
+- **name** (*Required*): Friendly name of scene.
+- **entities** (*Required*): Entities to control.
+
 Scenes can be activated using the service `scene.turn_on` (there is no 'scene.turn_off' service).
 
 ```yaml

source/_components/zone.markdown

@@ -45,7 +45,7 @@ Configuration variables:
 - **longitude** (*Required*): Longitude of the center point of the zone.
 - **radius** (*Optional*): Optional radius in meters. Defaults to 100 meters.
 - **icon** (*Optional*): Optional icon to show instead of name.
-- **passive** (*Optional*): Optional boolean to only use the zone for automation and hide it from the UI and not use the zone for device tracker name.  Defaults to false. 
+- **passive** (*Optional*): Optional boolean to only use the zone for automation and hide it from the UI and not use the zone for device tracker name. Defaults to false.
 
 #### {% linkable_title Home zone %}