docs: fix typo in typing context manager property

Author: sami0596

interactions/ext/prefixed_commands/context.py

@@ -69,7 +69,7 @@ def invoke_target(self) -> str:
 
     @property
     def typing(self) -> Typing:
-        """A context manager to send a typing state to the context's channel as long as long as the wrapped operation takes."""
+        """A context manager to send a typing state to the context's channel as long as the wrapped operation takes."""
         return self.channel.typing
 
     async def _send_http_request(self, message_payload: dict, files: Iterable["UPLOADABLE_TYPE"] | None = None) -> dict: