--- a/model/ProvenanceModel.html	Mon Nov 21 10:49:55 2011 -0500
+++ b/model/ProvenanceModel.html	Mon Nov 21 16:07:06 2011 +0000
@@ -2504,6 +2504,11 @@
 <p>The end in activity record identified by <span class="name">a3</span> precedes the start in activity record identified by <span class="name">a1</span>, while interval for activity record <span class="name">a2</span> overlaps with each interval for <span class="name">a1</span> and <span class="name">a3</span>, allowing information to flow (<span class="name">e1</span> and <span class="name">e2</span>, respectively).</p>
 
 
+<div class="issue">
+Temporal constraints to be make explicit. This is  <a href="http://www.w3.org/2011/prov/track/issues/156">ISSUE-156</a>.
+</div>
+
+
 <div class="note">
 This relation to be simplified using wasStartedBy/wasEndedBy.
 </div>