diff --git a/shacl-af/index.html b/shacl-af/index.html
index 29f4ef1e..6d5e3202 100644
--- a/shacl-af/index.html
+++ b/shacl-af/index.html
@@ -509,7 +509,7 @@ <h3>SPARQL-based Targets</h3>
 ex:
 	sh:declare [
 		sh:prefix &quot;ex&quot; ;
-		sh:namespace &lt;http://example.com/ns#&gt; ;
+		sh:namespace &quot;http://example.com/ns#&quot;^^xsd:anyUri ;
 	] .
 				
 ex:USCitizenShape