--- a/model/ProvenanceModel.html	Wed Jul 27 09:02:36 2011 +0100
+++ b/model/ProvenanceModel.html	Wed Jul 27 09:19:43 2011 +0100
@@ -874,7 +874,7 @@
 
 <li>Use, Generation, Derivation, IVPof are represented as directed edges.</li>
 
-<li>BOBs are laid out according to time (the time at which they are generated).  Time SHOULD progress from left to right or from top to bottom.  This means that edges for Use, Generation and Derivation typically point from right to left or from bottom to top.</li>
+<li>BOBs are layed out according to time (the time at which they are generated).  Time SHOULD progress from left to right or from top to bottom.  This means that edges for Use, Generation and Derivation typically point from right to left or from bottom to top.</li>
 
 </ul>