--- a/model/prov-n.html	Mon Oct 15 18:04:17 2012 +0100
+++ b/model/prov-n.html	Mon Oct 15 18:29:34 2012 +0100
@@ -2676,7 +2676,7 @@
 
 <div class="anexample">
 <p>
-<a href="#component6">Collections</a> are sets of entities, whose membership can be expressed using the <span class="name">hadMember</span> relation.  The following example shows how one can express membership for an extension of Collections, namely sets of key-value pairs. The notation is a variation of that used for Collections membership, allowing multiple member elements to be declared, and in which the elements are pairs. The name of the relation is qualified with the extension-specific namespace <span class="name">http://example.org/dictionaries</span>.
+<a href="#component6">Collections</a> are sets of entities, whose membership can be expressed using the <span class="name">hadMember</span> relation.  The following example shows how one can express membership for <em>dictionaries</em>, an illustrative extension of Collections consisting of sets of key-entity pairs, where a key is a <a class="grammarRef" href="#prod-literal">literal</a></code>. The notation is a variation of that used for Collections membership, allowing multiple member elements to be declared, and in which the elements are pairs. The name of the relation is qualified with the extension-specific namespace <span class="name">http://example.org/dictionaries</span>.
 </p>
 <pre class="codeexample">
   prefix dictExt &lt;http://example.org/dictionaries&gt;
@@ -2889,6 +2889,14 @@
 </div>
 
 <section class="appendix"> 
+      <h2>Changes since last version</h2> 
+      <p> 
+<ul>
+<p> <a href="http://www.w3.org/2011/prov/track/issues/543">ISSUE-543</a>: uses key-entity pair terminology for example 43.
+</ul>
+</section>
+
+<section class="appendix"> 
       <h2>Acknowledgements</h2> 
       <p>