diff --git a/xml/sstc-saml-metadata-ui-v1.0.xsd b/xml/sstc-saml-metadata-ui-v1.0.xsd
index 3deedab7..32a4a2c7 100644
--- a/xml/sstc-saml-metadata-ui-v1.0.xsd
+++ b/xml/sstc-saml-metadata-ui-v1.0.xsd
@@ -14,8 +14,8 @@
       Document title: Metadata Extension Schema for SAML V2.0 Metadata Extensions for Login and Discovery User Interface Version 1.0
       Document identifier: sstc-saml-metadata-ui-v1.0.xsd
       Location: http://docs.oasis-open.org/security/saml/Post2.0/
-      Revision history:
-      01 November 2010
+      Revision history:
+      01 November 2010
         Changed filename.
       September 2010:
         Initial version.
@@ -32,6 +32,7 @@
     <choice minOccurs="0" maxOccurs="unbounded">
       <element ref="mdui:DisplayName"/>
       <element ref="mdui:Description"/>
+      <element ref="mdui:Keywords"/>
       <element ref="mdui:Logo"/>
       <element ref="mdui:InformationURL"/>
       <element ref="mdui:PrivacyStatementURL"/>
@@ -44,6 +45,19 @@
   <element name="InformationURL" type="md:localizedURIType"/>
   <element name="PrivacyStatementURL" type="md:localizedURIType"/>
 
+  <element name="Keywords" type="mdui:KeywordsType"/>
+  <complexType name="KeywordsType">
+    <simpleContent>
+      <extension base="mdui:listOfStrings">
+        <attribute ref="xml:lang" use="required"/>
+      </extension>
+    </simpleContent>
+  </complexType>
+  
+  <simpleType name="listOfStrings">
+    <list itemType="string"/>
+  </simpleType>
+
   <element name="Logo" type="mdui:LogoType"/>
   <complexType name="LogoType">
     <simpleContent>