Fix typo in doc (#5628)

Fix typo in doc

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python/packages/autogen-core/docs/src/user-guide/core-user-guide/framework/message-and-communication.ipynb

@@ -319,7 +319,7 @@
                 "    @message_handler\n",
                 "    async def on_my_message(self, message: Message, ctx: MessageContext) -> None:\n",
                 "        print(f\"Received message: {message.content}\")\n",
-                "        # Send a direct message to the inner agent and receves a response.\n",
+                "        # Send a direct message to the inner agent and receives a response.\n",
                 "        response = await self.send_message(Message(f\"Hello from outer, {message.content}\"), self.inner_agent_id)\n",
                 "        print(f\"Received inner response: {response.content}\")"
             ]