The GtkApplicationWindow documentation had a reference
to gtk_header_bar_set_show_fallback_app_menu(). That
function no longer exists, so drop it.
* property. If the desktop environment does not display the application
* menu, then it will automatically be included in the menubar. It can
* also be shown as part of client-side window decorations, e.g. by
- * using gtk_header_bar_set_show_fallback_app_menu().
+ * using gtk_header_bar_set_show_close_button().
*
* <example><title>A GtkApplicationWindow with a menubar</title>
* <programlisting><![CDATA[