diff --git a/docs/reference/gdk/tmpl/windows.sgml b/docs/reference/gdk/tmpl/windows.sgml
index c2df7e5ea0..75441dda5c 100644
--- a/docs/reference/gdk/tmpl/windows.sgml
+++ b/docs/reference/gdk/tmpl/windows.sgml
@@ -1148,7 +1148,7 @@ static gboolean
 my_widget_key_press_handler (GtkWidget *widget, GdkEventKey *event)
 {
   if (event->keysym == GDK_F10
-      && (event->state && GDK_MODIFIER_MASK) == GDK_CONTROL_MASK)
+      && (event->state & GDK_MODIFIER_MASK) == GDK_CONTROL_MASK)
     {
       g_print ("Control-F10 was pressed\n");
       return TRUE;