--- a/model/working-copy/towards-wd4.html	Wed Feb 08 17:12:42 2012 +0000
+++ b/model/working-copy/towards-wd4.html	Wed Feb 08 17:32:16 2012 +0000
@@ -559,7 +559,7 @@
 Generation, Derivation, and Activity Association are represented as directed edges.</p>
 
 <p>Entities are layed out according to the ordering of their generation event.  We endeavor to show time progressing from top to bottom  This means that edges for Usage, Generation and
-Derivation typically point bottom-up.</p>
+Derivation typically point upwards.</p>
 </p>