Fix markup

Author: csarven

index.html

@@ -135,7 +135,7 @@ <h1 property="schema:name">Linked Data Notifications</h1>
                     <dt>Latest published version:</dt>
                     <dd><a href="https://www.w3.org/TR/ldn/" rel="rdfs:seeAlso">https://www.w3.org/TR/ldn/</a></dd>
                     <dt>Previous version:</dt>
-                    <dd><a href="https://www.w3.org/TR/2017/CR-ldn-20170223/" rel="owl:sameAs doap:homepage">https://www.w3.org/TR/2016/CR-ldn-20161101/https://www.w3.org/TR/2017/CR-ldn-20170223/
+                    <dd><a href="https://www.w3.org/TR/2017/CR-ldn-20170223/">https://www.w3.org/TR/2017/CR-ldn-20170223/</a></dd>
                 </dl>
 
                 <div id="authors">