app-chooser-button: add a note in the docs

diff --git a/gtk/gtkappchooserbutton.c b/gtk/gtkappchooserbutton.c
index d9cf438b0591c7b2b4353400c1985757df487229..11f73be8def1e1b0987e6107a5d2b2e3d4cf6bc6 100644 (file)
--- a/gtk/gtkappchooserbutton.c
+++ b/gtk/gtkappchooserbutton.c
@@ -708,6 +708,8 @@ gtk_app_chooser_button_append_custom_item (GtkAppChooserButton *self,
  *
  * Selects a custom item previously added with
  * gtk_app_chooser_button_append_custom_item().
+ * Use gtk_app_chooser_refresh() to bring the selection to its initial
+ * state.
  *
  * Since: 3.0
  */