--- a/model/working-copy/towards-wd4.html	Wed Feb 15 22:09:09 2012 +0000
+++ b/model/working-copy/towards-wd4.html	Wed Feb 15 22:18:47 2012 +0000
@@ -439,7 +439,7 @@
 
 <div class="anexample" id="derivation-example">
 <p>Examples of derivation include  the transformation of a relational table into a
-linked data set, the transformation of a canvas into a painting, the transportation of a person from London to New York, and a physical transformation such as the melting of ice into water.</p>
+linked data set, the transformation of a canvas into a painting, the transportation of a work of art from London to New York, and a physical transformation such as the melting of ice into water.</p>
 </div>
 
 </section>