Update spec/index.html

Co-authored-by: Olaf Hartig <[email protected]>

Author: afs

spec/index.html

@@ -546,9 +546,8 @@ <h3>RDF Version Announcement</h3>
 Accept: text/turtle; version=1.2
     </pre>
     <p>
-      Defined <a>version labels</a> to be used with the <code>version</code> parameter 
-      and in <a>concrete RDF syntax</a> are given in the
-      <a href="#defined-version-labels">section below</a>.
+      Section <a href="#defined-version-labels" class="sectionRef"></a> defines <a>version labels</a>
+      to be used with the <code>version</code> parameter and in <a>concrete RDF syntax</a>.
     </p>
   </section>
 </section>