diff --git a/docs/prepare_ha.md b/docs/prepare_ha.md
index 4e0d9578..4bc10037 100644
--- a/docs/prepare_ha.md
+++ b/docs/prepare_ha.md
@@ -104,6 +104,8 @@ template:
   - trigger:
       - platform: time_pattern
         hours: /1
+      - platform: homeassistant
+        event: start
     action:
       - service: weather.get_forecasts
         data: