diff --git a/homeassistant/components/cover/__init__.py b/homeassistant/components/cover/__init__.py
index 8609d3c9cf6..4b05dedbf5e 100644
--- a/homeassistant/components/cover/__init__.py
+++ b/homeassistant/components/cover/__init__.py
@@ -159,7 +159,7 @@ async def async_unload_entry(hass, entry):
 
 
 class CoverDevice(Entity):
-    """Representation a cover."""
+    """Representation of a cover."""
 
     @property
     def current_cover_position(self):