Update Example (#19748)

kamahat · web-flow · commit 81586cd8a4c7 · 2021-10-13T19:37:44.000+02:00
diff --git a/source/_integrations/cover.mqtt.markdown b/source/_integrations/cover.mqtt.markdown
@@ -336,7 +336,7 @@ cover:
     command_topic: "home-assistant/cover/set"
     position_topic: "home-assistant/cover/position"
     availability:
-      - "home-assistant/cover/availability"
+      - topic: "home-assistant/cover/availability"
     set_position_topic: "home-assistant/cover/set_position"
     qos: 0
     retain: true
