diff --git a/homeassistant/components/light/osramlightify.py b/homeassistant/components/light/osramlightify.py
index cef9f508952..b5dbe7ebb4c 100644
--- a/homeassistant/components/light/osramlightify.py
+++ b/homeassistant/components/light/osramlightify.py
@@ -269,7 +269,7 @@ class OsramLightifyGroup(Luminary):
     def _get_state(self):
         """Get state of group.
 
-        The group is on, if any of the lights in on.
+        The group is on, if any of the lights is on.
         """
         lights = self._bridge.lights()
         return any(lights[light_id].on() for light_id in self._light_ids)