diff --git a/pycrdt_websocket/yroom.py b/pycrdt_websocket/yroom.py
index 9320c66..42f575f 100644
--- a/pycrdt_websocket/yroom.py
+++ b/pycrdt_websocket/yroom.py
@@ -306,6 +306,9 @@ async def serve(self, websocket: Websocket):
             self._handle_exception(exception)
 
     def local_update_awareness(self, state: bytes) -> None:
+        """
+        Callback to broadcast the server awareness to clients.
+        """
         if self._task_group is not None:
             self._task_group.start_soon(self._local_update_awareness, state)
         else: