[gtk+/composite-templates] Fix the doc build

[Juan Pablo Ugarte <jpu src gnome org>]

commit ce068e056743cde377a04e357ba5f58300bb93e3
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Aug 20 23:37:43 2012 -0400

    Fix the doc build

 gtk/gtkwidget.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index ebcea83..629484e 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -14121,7 +14121,8 @@ _gtk_widget_get_action_muxer (GtkWidget *widget)
  *
  * Inserts @group into @widget. Children of @widget that implement
  * #GtkActionable can then be associated with actions in @group by
- * setting their 'action-name' to @prefix.<action-name>.
+ * setting their 'action-name' to
+ * @prefix.<replaceable>action-name</replaceable>.
  *
  * Since: 3.6
  */