[gtk+] Small typo fixes

[Matthias Clasen <matthiasc src gnome org>]

commit 3d2dcc2bfe1909eac8238444f6c6b57c141f1acf
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed May 21 19:01:37 2014 -0400

    Small typo fixes
    
    We generally talk about the 'windowing system' in the GDK frontend
    docs, not the 'window manager'.

 gdk/gdkwindow.c |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)
---
diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index 7f72dca..e343e2c 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -10927,14 +10927,13 @@ gdk_window_set_shadow_width (GdkWindow *window,
  * @window: a #GdkWindow
  * @event: a #GdkEvent to show the menu for
  *
- * Asks the window menu to show the window menu. The window menu is
- * the menu shown when right-clicking the titlebar on traditional
+ * Asks the windowing system to show the window menu. The window menu
+ * is the menu shown when right-clicking the titlebar on traditional
  * windows managed by the window manager. This is useful for windows
  * using client-side decorations, activating it with a right-click
  * on the window decorations.
  *
- * Returns: %TRUE if the window menu was shown by the window
- * manager and %FALSE otherwise.
+ * Returns: %TRUE if the window menu was shown and %FALSE otherwise.
  *
  * Since: 3.14
  */