Update binary_sensor.xiaomi.markdown (#3094)

I would recommend to turn the automation off/on for turning off the Lights because, if you do not do this, and you for example turn manually the light on and walk into your motion sensor it will turn off the light(s). I have had this a few times.

source/_components/binary_sensor.xiaomi.markdown

@@ -43,10 +43,13 @@ The requirement is that you have setup the [`xiaomi` component](/components/xiao
     entity_id: sensor.illumination_34ce00xxxx11
     below: 300
   action:
-    service: light.turn_on
-    entity_id: light.gateway_light_34ce00xxxx11
-    data:
-      brightness: 5
+    - service: light.turn_on
+      entity_id: light.gateway_light_34ce00xxxx11
+      data:
+        brightness: 5
+    - service: automation.turn_on
+      data:
+        entity_id: automation.MOTION_OFF
 - alias: If there no motion for 5 minutes turn off the gateway light
   trigger:
     platform: state
@@ -56,8 +59,11 @@ The requirement is that you have setup the [`xiaomi` component](/components/xiao
     for:
       minutes: 5
   action:
-    service: light.turn_off
-    entity_id: light.gateway_light_34ce00xxxx11
+    - service: light.turn_off
+      entity_id: light.gateway_light_34ce00xxxx11
+    - service: automation.turn_off
+      data:
+        entity_id: automation.Motion_off
 ```
   
 #### {% linkable_title Door and/or Window %}