app: improve doc of gtk_application_set_accels_for_action()

When reading the API for the first time I didn't know what was the
"detailed" action name.

https://bugzilla.gnome.org/show_bug.cgi?id=764846

diff --git a/gtk/gtkapplication.c b/gtk/gtkapplication.c
index 6786d56bf089d9d7e27e1211c4db06da9e614ae2..df6795aab98646e9b0624306f5e4f27e496c54e0 100644 (file)
--- a/gtk/gtkapplication.c
+++ b/gtk/gtkapplication.c
@@ -1702,6 +1702,9 @@ normalise_detailed_name (const gchar *detailed_action_name)
  * To remove all accelerators for an action, use an empty, zero-terminated
  * array for @accels.
  *
+ * For the @detailed_action_name, see g_action_parse_detailed_name() and
+ * g_action_print_detailed_name().
+ *
  * Since: 3.12
  */
 void