diff --git a/gio/gsimpleasyncresult.c b/gio/gsimpleasyncresult.c
index 2166bea21..db44600a5 100644
--- a/gio/gsimpleasyncresult.c
+++ b/gio/gsimpleasyncresult.c
@@ -187,7 +187,7 @@
  *       return;
  *     }
  *
- *   _baker_prepare_cake (self, radius, baked_cb, user_data);
+ *   _baker_prepare_cake (self, radius, baked_cb, simple);
  * }
  *
  * Cake *