Return value was copied and pasted from gtk_cell_layout_get_cells(),
which is obviously wrong.
* if called on a #GtkCellArea or might be %NULL if no #GtkCellArea
* is used by @cell_layout.
*
- * Return value: (transfer none): a list of cell renderers. The list,
- * but not the renderers has been newly allocated and should be
- * freed with g_list_free() when no longer needed.
+ * Return value: (transfer none): the cell area used by @cell_layout.
*
* Since: 3.0
*/