--- a/ldp-ucr.html	Tue Sep 24 11:49:13 2013 +0100
+++ b/ldp-ucr.html	Tue Sep 24 12:05:19 2013 +0100
@@ -112,6 +112,10 @@
 				title:    "Best Practices for HTTP-CoAP Mapping Implementation",
 				href:     "http://tools.ietf.org/html/draft-castellani-core-http-mapping-07",
 				publisher:  "IETF"
+			},
+			"CHANGESET": {
+				title:    "Changeset",
+				href:     "http://vocab.org/changeset/schema.html"
 			}
 		  }
       };
@@ -1086,14 +1090,13 @@
 	<section id="s4.2">
 	<h3>Alternative scenario: selective update of a resource</h3>
 	<p>
-		This relates to user story <a>Data Catalogs</a>, based on the <a href="http://vocab.deri.ie/dcat"
-			title="http://vocab.deri.ie/dcat"
-			rel="nofollow">Data Catalog Vocabulary</a>. A catalogue is
-		described by the following RDF model.
+		This relates to user story <a>Data Catalogs</a>. A catalogue is
+		described by the following RDF model, based on the Data Catalog Vocabulary [[vocab-dcat]] which provides a standard format for representing the metadata held by organizations.
 	</p>
 	<pre class='example'>
-@prefix dcat: &lt;http://www.w3.org/ns/dcat#&gt;	.
+@prefix dcat: &lt;http://www.w3.org/ns/dcat#&gt; .
 @prefix dcterms: &lt;http://purl.org/dc/terms/&gt; .
+@prefix : <> .
    
  :catalog a dcat:Catalog ;
     dcat:dataset :dataset/001;
@@ -1102,10 +1105,7 @@
 	<p>
 		A catalog may contain multiple datasets, so when linking to new
 		datasets it would be simpler and preferable to selectively add
-		just the new dataset links. For example, a <a
-			href="http://docs.api.talis.com/getting-started/changesets"
-			title="http://docs.api.talis.com/getting-started/changesets"
-			rel="nofollow">Talis changeset</a> might be used to add a new <tt>dc:title</tt> to the
+		just the new dataset links. For this example, a Changeset [[CHANGESET]] might be used to add a new <tt>dc:title</tt> to the
 		dataset. The following update would be directed to the catalogue
 		to add an additional dataset.
 	</p>