diff --git a/autogen/agentchat/agent.py b/autogen/agentchat/agent.py
index 8a71147297eb..b83709dc30bd 100644
--- a/autogen/agentchat/agent.py
+++ b/autogen/agentchat/agent.py
@@ -28,7 +28,7 @@ def send(self, message: Union[Dict, str], recipient: "Agent", request_reply: Opt
         """(Abstract method) Send a message to another agent."""
 
     async def a_send(self, message: Union[Dict, str], recipient: "Agent", request_reply: Optional[bool] = None):
-        """(Aabstract async method) Send a message to another agent."""
+        """(Abstract async method) Send a message to another agent."""
 
     def receive(self, message: Union[Dict, str], sender: "Agent", request_reply: Optional[bool] = None):
         """(Abstract method) Receive a message from another agent."""