--- a/ontology/ProvenanceOntology.owl	Sun Apr 15 17:42:35 2012 +0100
+++ b/ontology/ProvenanceOntology.owl	Sun Apr 15 13:01:44 2012 -0400
@@ -1271,7 +1271,7 @@
         <rdfs:comment xml:lang="en">Described members of a collection, in the form of key-value pairs. The Membership resource can also be annotated with attributes.</rdfs:comment>
         <prov:category>collections</prov:category>
         <prov:component>collections</prov:component>
-        <prov:unqualifiedForm rdf:resource="&prov;knownMembership"/>
+        <prov:unqualifiedForm rdf:resource="&prov;membership"/>
     </owl:Class>