diff --git a/gtk/gtkapplicationwindow.c b/gtk/gtkapplicationwindow.c
index f8ab3d406a..b952b644c3 100644
--- a/gtk/gtkapplicationwindow.c
+++ b/gtk/gtkapplicationwindow.c
@@ -86,9 +86,16 @@
  * GtkBuilder *builder = gtk_builder_new_from_string (
  *     "<interface>"
  *     "  <menu id='menubar'>"
- *     "    <submenu label='_Edit'>"
- *     "      <item label='_Copy' action='win.copy'/>"
- *     "      <item label='_Paste' action='win.paste'/>"
+ *     "    <submenu>"
+ *     "      <attribute name='label' translatable='yes'>_Edit</attribute>"
+ *     "      <item>"
+ *     "        <attribute name='label' translatable='yes'>_Copy</attribute>"
+ *     "        <attribute name='action'>win.copy</attribute>"
+ *     "      </item>"
+ *     "      <item>"
+ *     "        <attribute name='label' translatable='yes'>_Paste</attribute>"
+ *     "        <attribute name='action'>win.paste</attribute>"
+ *     "      </item>"
  *     "    </submenu>"
  *     "  </menu>"
  *     "</interface>",