Change aspect ratio in example (home-assistant#7757)

cogneato · fabaff · commit 27d5d744fce4 · 2018-12-07T09:28:43.000+01:00
Changes aspect ratio in example to match config variable given in description
diff --git a/source/_lovelace/map.markdown b/source/_lovelace/map.markdown
@@ -55,7 +55,7 @@ default_zoom:
 
 ```yaml
 - type: map
-  aspect_ratio: 100%
+  aspect_ratio: 16:9
   default_zoom: 8
   entities:
     - device_tracker.demo_paulus
