diff --git a/ontology/dprod/dprod-shapes.ttl b/ontology/dprod/dprod-shapes.ttl
index fe50f71..e267078 100644
--- a/ontology/dprod/dprod-shapes.ttl
+++ b/ontology/dprod/dprod-shapes.ttl
@@ -17,7 +17,6 @@
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix sh: <http://www.w3.org/ns/shacl#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix sdo: <http://schema.org/> .
 
 dprod-shapes:
   a owl:Ontology ;
diff --git a/respec/template.html b/respec/template.html
index c7008a6..eff0e75 100644
--- a/respec/template.html
+++ b/respec/template.html
@@ -597,6 +597,15 @@ <h2>Normative namespaces</h2>
       </td>
       <td>[[dprod]]</td>
     </tr>
+    <tr>
+      <td>
+        <code>dprod-shapes</code>
+      </td>
+      <td>
+        <code>https://ekgf.github.io/dprod/shapes/</code>
+      </td>
+      <td>[[dprod]]</td>
+    </tr>
     <tr>
       <td>
         <code>dcat</code>