--- a/xml/schema/prov-dictionary.xsd	Mon Apr 15 13:01:23 2013 -0400
+++ b/xml/schema/prov-dictionary.xsd	Mon Apr 15 14:58:13 2013 -0400
@@ -40,7 +40,7 @@
 	<xs:complexType name="DictionaryMembership">
 	  <xs:sequence>
 		<xs:element name="dictionary" type="prov:IDRef"/>
-		<xs:element name="keyEntityPair" type="prov:KeyEntityPair" minOccurs=1 maxOccurs="unbounded"/>
+		<xs:element name="keyEntityPair" type="prov:KeyEntityPair" minOccurs="1" maxOccurs="unbounded"/>
 	  </xs:sequence>
 	</xs:complexType>
 	
@@ -51,7 +51,7 @@
 	  <xs:sequence>
       <xs:element name="newDictionary" type="prov:IDRef"/>
       <xs:element name="oldDictionary" type="prov:IDRef"/>
-      <xs:element name="keyEntityPair" type="prov:KeyEntityPair" minOccurs=1 maxOccurs="unbounded"/>
+      <xs:element name="keyEntityPair" type="prov:KeyEntityPair" minOccurs="1" maxOccurs="unbounded"/>
       <!-- prov attributes -->
       <xs:element ref="prov:label" minOccurs="0" maxOccurs="unbounded"/>
       <xs:element ref="prov:type" minOccurs="0" maxOccurs="unbounded"/>
@@ -67,7 +67,7 @@
 	  <xs:sequence>
       <xs:element name="newDictionary" type="prov:IDRef"/>
       <xs:element name="oldDictionary" type="prov:IDRef"/>
-      <xs:element name="key" type="xs:anySimpleType" minOccurs=1 maxOccurs="unbounded" />
+      <xs:element name="key" type="xs:anySimpleType" minOccurs="1" maxOccurs="unbounded" />
       <!-- prov attributes -->
       <xs:element ref="prov:label" minOccurs="0" maxOccurs="unbounded"/>
       <xs:element ref="prov:type" minOccurs="0" maxOccurs="unbounded"/>