--- a/model/prov-dm.html	Tue May 15 15:55:48 2012 +0100
+++ b/model/prov-dm.html	Tue May 15 16:32:56 2012 +0100
@@ -496,7 +496,7 @@
 
 <p>
 <span class="glossary-ref" data-ref="glossary-agent"  data-withspan="true">
-</span> An agent MAY be a particular type of entity. This means that the model can be
+</span> 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.  
 </p>