diff --git a/homeassistant/components/automation/zone.py b/homeassistant/components/automation/zone.py
index f62aec8bf2a..28d1c8456f0 100644
--- a/homeassistant/components/automation/zone.py
+++ b/homeassistant/components/automation/zone.py
@@ -1,8 +1,10 @@
 """
 homeassistant.components.automation.zone
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
 Offers zone automation rules.
+
+For more details about this automation rule, please refer to the documentation
+at https://home-assistant.io/components/automation.html#zone-trigger
 """
 import logging