gtkactionable: Document properties

gtk/gtkactionable.c

@@ -56,10 +56,21 @@ G_DEFINE_INTERFACE (GtkActionable, gtk_actionable, GTK_TYPE_WIDGET)
 static void
 gtk_actionable_default_init (GtkActionableInterface *iface)
 {
+
+  /**
+   * GtkActionable:action-name:
+   *
+   * The name of the action with which this widget should be associated.
+   */
   g_object_interface_install_property (iface,
     g_param_spec_string ("action-name", NULL, NULL,
                          NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
+  /**
+   * GtkActionable:action-target:
+   *
+   * The target value of the actionable widget's action.
+   */
   g_object_interface_install_property (iface,
     g_param_spec_variant ("action-target", NULL, NULL,
                           G_VARIANT_TYPE_ANY, NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));