diff --git a/ChangeLog b/ChangeLog
index 3878ba8f64..5d7a49a480 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Jul  8 01:33:45 2007  Tim Janik  <timj@gtk.org>
+
+        * gdk/gdkwindow.c: docu fixup by Bjoern Lindqvist, #454703.
+
 2007-07-07  Richard Hult  <richard@imendio.com>
 
 	* gdk/quartz/GdkQuartzWindow.c ([GdkQuartzWindow -windowDidResignMain:]) 
diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index e07f5d9cf2..c2dac336df 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -2490,13 +2490,13 @@ gdk_window_process_updates (GdkWindow *window,
 /**
  * gdk_window_invalidate_rect:
  * @window: a #GdkWindow
- * @rect: rectangle to invalidate
+ * @rect: rectangle to invalidate or %NULL to invalidate the whole
+ *      window
  * @invalidate_children: whether to also invalidate child windows
  *
  * A convenience wrapper around gdk_window_invalidate_region() which
  * invalidates a rectangular region. See
  * gdk_window_invalidate_region() for details.
- * 
  **/
 void
 gdk_window_invalidate_rect   (GdkWindow    *window,