[gtk+/wip/matthiasc/gadget] Small documentation fixup

[Matthias Clasen <matthiasc src gnome org>]

commit baf87dcdf9b2daa370411deb4e09fbd18661144f
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Dec 6 15:20:15 2015 -0500

    Small documentation fixup

 gtk/gtkcsscustomgadget.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkcsscustomgadget.c b/gtk/gtkcsscustomgadget.c
index 7b48351..a95dac0 100644
--- a/gtk/gtkcsscustomgadget.c
+++ b/gtk/gtkcsscustomgadget.c
@@ -199,6 +199,8 @@ gtk_css_custom_gadget_init (GtkCssCustomGadget *custom_gadget)
  * This function is typically used in the widgets init function
  * to create the main gadget for the widgets main CSS node (which
  * is obtained with gtk_widget_get_css_node()).
+ *
+ * Returns: (transfer full): the new gadget
  */
 GtkCssGadget *
 gtk_css_custom_gadget_new_for_node (GtkCssNode                 *node,
@@ -242,6 +244,8 @@ gtk_css_custom_gadget_new_for_node (GtkCssNode                 *node,
  *
  * Creates a #GtkCssCustomGadget with a new CSS node which gets
  * placed below the @parent's and before the @next_sibling's CSS node.
+ *
+ * Returns: (transfer full): the new gadget
  */
 GtkCssGadget *
 gtk_css_custom_gadget_new (const char                 *name,