surface: fix up docs

The docs for gdk_surface_invalidate_region were
talking about a no-longer-existing argument.

diff --git a/gdk/gdksurface.c b/gdk/gdksurface.c
index 7e95e6a74c72d88deb95a0ac96783c0fde750cd5..d5ec14ca7ff638ed95f2dbdd448e0aee30de274a 100644 (file)
--- a/gdk/gdksurface.c
+++ b/gdk/gdksurface.c
@@ -1788,11 +1788,6 @@ gdk_surface_queue_expose (GdkSurface *surface)
  * GDK will process all updates whenever the frame clock schedules a redraw,
  * so there’s no need to do forces redraws manually, you just need to
  * invalidate regions that you know should be redrawn.
- *
- * The @invalidate_children parameter controls whether the region of
- * each child surface that intersects @region will also be invalidated.
- * If %FALSE, then the update area for child surfaces will remain
- * unaffected.
  **/
 void
 gdk_surface_invalidate_region (GdkSurface          *surface,