docs: Use the appropriate deprecation for properties

The GtkFontButton:font-name property has been deprecated, but it's using
a non-standard annotation in its documentation.

diff --git a/gtk/gtkfontbutton.c b/gtk/gtkfontbutton.c
index 55150c5597df86745e02954bc4a4c59fd156a247..6c75c35db826530c6edc28aec7c7e83129e854fc 100644 (file)
--- a/gtk/gtkfontbutton.c
+++ b/gtk/gtkfontbutton.c
@@ -487,7 +487,8 @@ gtk_font_button_class_init (GtkFontButtonClass *klass)
    * The name of the currently selected font.
    *
    * Since: 2.4
-   * @Deprecated: Use the #GtkFontChooser::font property instead
+   *
+   * Deprecated: 3.22: Use the #GtkFontChooser::font property instead
    */
   g_object_class_install_property (gobject_class,
                                    PROP_FONT_NAME,