diff --git a/source/_integrations/google_assistant.markdown b/source/_integrations/google_assistant.markdown
index 98ece22c989..cd32bf7cb95 100644
--- a/source/_integrations/google_assistant.markdown
+++ b/source/_integrations/google_assistant.markdown
@@ -289,6 +289,7 @@ Currently, the following domains are available to be used with Google Assistant,
 - sensor (temperature setting for temperature sensors and humidity setting for humidity sensors)
 - switch (on/off)
 - vacuum (dock/start/stop/pause)
+- water_heater (on-off/temperature setting/operation mode)
 
 <div class='note'>