diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index ade759ed04..cef677185d 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -5922,9 +5922,9 @@ gtk_widget_get_visible (GtkWidget *widget)
  * all realized widgets have a non-%NULL "window" pointer
  * (gtk_widget_get_window() never returns a %NULL window when a widget
  * is realized), but for many of them it's actually the #GdkWindow of
- * one of its parent widgets. Widgets that create a %window for
- * themselves in GtkWidget::realize() however must announce this by
- * calling this function with @has_window = %TRUE.
+ * one of its parent widgets. Widgets that do not create a %window for
+ * themselves in GtkWidget::realize() must announce this by
+ * calling this function with @has_window = %FALSE.
  *
  * This function should only be called by widget implementations,
  * and they should call it in their init() function.