https://bugzilla.gnome.org/show_bug.cgi?id=637606
/**
* gtk_accelerator_parse:
* @accelerator: string representing an accelerator
- * @accelerator_key: return location for accelerator keyval
- * @accelerator_mods: return location for accelerator modifier mask
+ * @accelerator_key: (out): return location for accelerator keyval
+ * @accelerator_mods: (out): return location for accelerator modifier mask
*
* Parses a string representing an accelerator. The
* format looks like "<Control>a" or "<Shift><Alt>F1" or