Fix fan strings

homeassistant/components/fan/strings.json

@@ -3,9 +3,10 @@
     "trigger_type": {
       "turned_on": "{entity_name} turned on",
       "turned_off": "{entity_name} turned off"
+    },
     "action_type": {
       "turn_on": "Turn on {entity_name}",
       "turn_off": "Turn off {entity_name}"
     }
   }
-}
+}