diff --git a/src/objective-c/GRPCClient/private/GRPCCore/ChannelArgsUtil.h b/src/objective-c/GRPCClient/private/GRPCCore/ChannelArgsUtil.h
index f271e846f00..038f2d88f9b 100644
--- a/src/objective-c/GRPCClient/private/GRPCCore/ChannelArgsUtil.h
+++ b/src/objective-c/GRPCClient/private/GRPCCore/ChannelArgsUtil.h
@@ -28,9 +28,9 @@ void GRPCFreeChannelArgs(grpc_channel_args* channel_args);
  * in the
  * @c dictionary. Keys must be @c NSString, @c NSNumber, or a pointer. If the
  * value responds to
- * @c @selector(UTF8String) then it will be mapped to @c GRPC_ARG_STRING. If the
+ * @c selector(UTF8String) then it will be mapped to @c GRPC_ARG_STRING. If the
  * value responds to
- * @c @selector(intValue), it will be mapped to @c GRPC_ARG_INTEGER. Otherwise,
+ * @c selector(intValue), it will be mapped to @c GRPC_ARG_INTEGER. Otherwise,
  * if the value is not nil, it is mapped as a pointer. The caller of this
  * function is responsible for calling
  * @c GRPCFreeChannelArgs to free the @c grpc_channel_args struct.