[gtk] listlistmodel: Fix documentation comment

[Mohammed Sadiq <pksadiq src gnome org>]

commit 03679d434262be5a73e25668513a6a6597fd90ea
Author: Mohammed Sadiq <sadiq sadiqpk org>
Date:   Tue Sep 18 09:55:43 2018 +0530

    listlistmodel: Fix documentation comment

 gtk/gtklistlistmodel.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtklistlistmodel.c b/gtk/gtklistlistmodel.c
index 3d10f49280..e15f617b8b 100644
--- a/gtk/gtklistlistmodel.c
+++ b/gtk/gtklistlistmodel.c
@@ -18,7 +18,7 @@
  */
 
 
-/*
+/**
  * SECTION:gtklistlistmodel
  * @Short_description: a List model for lists
  * @Title: GtkListListModel
@@ -26,7 +26,7 @@
  *
  * #GtkListListModel is a #GListModel implementation that takes a list API and provides
  * it as a GListModel.
- **/
+ */
 
 #include "config.h"