[gtksourceview] Add missing annotation.

[Ignacio Casal Quinteiro <icq src gnome org>]

commit c32984b2bf573c4780f8320dc055b1da6f8a69d1
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Wed Jan 12 20:39:42 2011 +0100

    Add missing annotation.

 gtksourceview/gtksourceview.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtksourceview/gtksourceview.c b/gtksourceview/gtksourceview.c
index 8a265c9..a048770 100644
--- a/gtksourceview/gtksourceview.c
+++ b/gtksourceview/gtksourceview.c
@@ -4278,8 +4278,8 @@ gtk_source_view_set_mark_attributes (GtkSourceView           *view,
  *
  * Gets attributes and priority for the @category.
  *
- * Returns: #GtkSourceMarkAttributes for the @category. The object belongs to
- * @view, so it shouldn't be unreffed.
+ * Returns: (transfer none): #GtkSourceMarkAttributes for the @category.
+ * The object belongs to @view, so it must not be unreffed.
  */
 GtkSourceMarkAttributes *
 gtk_source_view_get_mark_attributes (GtkSourceView           *view,