diff --git a/homeassistant/components/automation/state.py b/homeassistant/components/automation/state.py
index 5fc36300ed0..52379355d6b 100644
--- a/homeassistant/components/automation/state.py
+++ b/homeassistant/components/automation/state.py
@@ -1,8 +1,10 @@
 """
 homeassistant.components.automation.state
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
 Offers state listening automation rules.
+
+For more details about this automation rule, please refer to the documentation
+at https://home-assistant.io/components/automation.html#state-trigger
 """
 import logging