--- a/ontology/ProvenanceOntology.owl	Mon Jun 18 00:45:07 2012 -0700
+++ b/ontology/ProvenanceOntology.owl	Mon Jun 18 00:50:11 2012 -0700
@@ -1747,7 +1747,8 @@
 
     <owl:Class rdf:about="http://www.w3.org/ns/prov#Membership">
         <rdfs:subClassOf rdf:resource="http://www.w3.org/ns/prov#EntityInvolvement"/>
-        <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>
+        <editorsDefinition xml:lang="en">An optional set of descriptions about the membership of KeyValuePairs in a prov:Dictionary.</editorsDefinition>
+        <rdfs:comment xml:lang="en">The descriptions on this Membership applies to the memberships of all KeyValuePairs cited by prov:pair.</rdfs:comment>
         <category>collections</category>
         <component>collections</component>
         <unqualifiedForm rdf:resource="http://www.w3.org/ns/prov#hadMember"/>

--- a/ontology/prov.ttl	Mon Jun 18 00:45:07 2012 -0700
+++ b/ontology/prov.ttl	Mon Jun 18 00:50:11 2012 -0700
@@ -342,10 +342,11 @@
 
 :Membership
     a owl:Class ;
-    rdfs:comment "Described members of a collection, in the form of key-value pairs. The Membership resource can also be annotated with attributes."@en ;
+    rdfs:comment "The descriptions on this Membership applies to the memberships of all KeyValuePairs cited by prov:pair."@en ;
     rdfs:subClassOf :EntityInvolvement ;
     :category "collections" ;
     :component "collections" ;
+    :editorsDefinition "An optional set of descriptions about the membership of KeyValuePairs in a prov:Dictionary."@en ;
     :unqualifiedForm :hadMember .
 
 :Organization