[gtk/drawing-model-refresh] fixup

[Matthias Clasen <matthiasc src gnome org>]

commit a9cd0b54acfd8bd2d8afe2b7dc6a6f99cf3a3ac3
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Feb 23 13:08:28 2019 -0500

    fixup

 docs/reference/gtk/drawing-model.xml | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/docs/reference/gtk/drawing-model.xml b/docs/reference/gtk/drawing-model.xml
index 8864c502fc..bbe5d1fd8d 100644
--- a/docs/reference/gtk/drawing-model.xml
+++ b/docs/reference/gtk/drawing-model.xml
@@ -198,6 +198,7 @@
         for the resulting drawing to be associated with the right surface. GSK has
         renderers for OpenGL, Vulkan and cairo.
       </para>
+    </refsect2>
 
     <refsect2 id="hierarchical-drawing">
       <title>Hierarchical drawing</title>