diff --git a/spec/index.html b/spec/index.html
index 0c812a6..c4161f5 100644
--- a/spec/index.html
+++ b/spec/index.html
@@ -1674,7 +1674,7 @@ <h2>RDF Datasets</h2>
     </tr>
   </table>
 
-  <table>
+  <table id="dfn-rdf-dataset-merge">
     <caption>Definition of RDF dataset merge</caption>
     <tr>
        <td class="semantictable">