diff --git a/homeassistant/components/alarmdotcom/alarm_control_panel.py b/homeassistant/components/alarmdotcom/alarm_control_panel.py
index dd6b1272223ce..e5ff550df9ac8 100644
--- a/homeassistant/components/alarmdotcom/alarm_control_panel.py
+++ b/homeassistant/components/alarmdotcom/alarm_control_panel.py
@@ -115,7 +115,7 @@ async def async_alarm_disarm(self, code=None):
             await self._alarm.async_alarm_disarm()
 
     async def async_alarm_arm_home(self, code=None):
-        """Send arm hom command."""
+        """Send arm home command."""
         if self._validate_code(code):
             await self._alarm.async_alarm_arm_home()