--- a/model/prov-dm.html	Fri Oct 26 10:27:50 2012 +0100
+++ b/model/prov-dm.html	Fri Oct 26 10:50:42 2012 +0100
@@ -1107,9 +1107,10 @@
 
 
 
-<p>To illustrate expanded relations, we consider the concept of
-association, described
-in <a class="section-ref" href="#section-agents-attribution-association-delegation"><span>TBD</span></a>.  Agents may rely on <em>plans</em>, i.e.  sets of actions or steps, to achieve their
+<p>To illustrate expanded relations, we revisit the concept of
+association, introduced
+in <a class="section-ref" href="#section-agents-attribution-association-delegation"><span>TBD</span></a> (full definition of the expanded association can be found
+in <a class="section-ref" href="#term-Association"><span>TBD</span></a>).  Agents may rely on <em>plans</em>, i.e.  sets of actions or steps, to achieve their
 goals in the context of an activity.
 Hence, an expanded form of
 association relation allows for a plan to be specified. Plan is defined by subtyping and 
@@ -3907,6 +3908,7 @@
 <li> Copied the sentence " An agent may be a particular type of entity or activity. This means that the model can be
  used to express provenance of the agents themselves.  " from the informative section into the normative section.
 <li> <a href="http://www.w3.org/2011/prov/track/issues/504">ISSUE-504</a>: Updated definition of collection.
+<li> <a href="http://www.w3.org/2011/prov/track/issues/503">ISSUE-503</a>: Rephrased the introduction of expanded association in section 2.2.1.2 Expanded Relations.
 </ul>
 
 </section>