--- a/data-cube/index.html	Wed Jul 17 10:11:03 2013 +0100
+++ b/data-cube/index.html	Thu Jul 18 16:21:11 2013 +0100
@@ -1638,9 +1638,10 @@
 };
 
 INSERT {
-    ?o rdf:type qb:Observation .
+    ?o  rdf:type qb:Observation .
+    ?ds rdf:type qb:DataSet .
 } WHERE {
-    ?o qb:dataSet [] .
+    ?o qb:dataSet ?ds .
 };
 
 INSERT {
@@ -2733,6 +2734,15 @@
 <h2>Change history </h2>
 
 <p>Changes
+  since <a href="http://www.w3.org/TR/2013/CR-vocab-data-cube-20130625/">W3C
+    Candidate Recommendation 25 June 2013</a>:</p>
+
+<ul>
+   <li>Added missing closure rule to infer <code>rdf:type</code> of <code><a>qb:DataSet</a></code> from
+   its use in a <code><a>qb:Observation</a></code>.</lib>
+</ul>
+
+<p>Changes
   since <a href="http://www.w3.org/TR/2013/WD-vocab-data-cube-20130312/">W3C
     Last Call Working Draft 12 March 2013</a>:</p>