--- a/model/working-copy/wd5-prov-dm-derivation.html	Thu Mar 08 15:24:32 2012 +0000
+++ b/model/working-copy/wd5-prov-dm-derivation.html	Thu Mar 08 15:35:56 2012 +0000
@@ -290,7 +290,7 @@
   used(u1,a,e1)
 </pre>
 <p>
-The first and second lines are about derivations between  <span class="name">e2</span> and  <span class="name">e1</span>, but no information is provided as to the identity of the activity (and usage and generation) underpinning the derivation. In the second line, a type attribute is also provided.</p>
+The first and second lines are about derivations of <span class="name">e2</span> (the generated entity) from  <span class="name">e1</span> (the used entity), but no information is provided as to the identity of the activity (and usage and generation) underpinning the derivation. In the second line, a type attribute is also provided.</p>
 <p>
 The third description expresses that activity  <span class="name">a</span>, 
 using the entity <span class="name">e1</span> according to usage <span class="name">u1</span>,