Stale doc string for mqtt light async_setup_entry (#94109)

homeassistant/components/mqtt/light/__init__.py

@@ -69,7 +69,7 @@ async def async_setup_entry(
     config_entry: ConfigEntry,
     async_add_entities: AddEntitiesCallback,
 ) -> None:
-    """Set up MQTT lights configured under the light platform key (deprecated)."""
+    """Set up MQTT lights through YAML and through MQTT discovery."""
     setup = functools.partial(
         _async_setup_entity, hass, async_add_entities, config_entry=config_entry
     )