* gtk_tree_drag_source_drag_data_get:
* @drag_source: a #GtkTreeDragSource
* @path: row that was dragged
- * @selection_data: (out): a #GtkSelectionData to fill with data
+ * @selection_data: a #GtkSelectionData to fill with data
* from the dragged row
*
* Asks the #GtkTreeDragSource to fill in @selection_data with a