--- a/model/prov-constraints.html	Fri Jun 01 10:28:08 2012 +0100
+++ b/model/prov-constraints.html	Fri Jun 01 10:30:35 2012 +0100
@@ -1498,6 +1498,7 @@
 </figure>
 </div>
 
+<p>
 
 <hr />
 
@@ -1520,6 +1521,8 @@
 </p>
 </div>
 
+<p/>
+
 <hr />
 
 <p  id='generation-precedes-usage_text'>