diff --git a/html/format.html b/html/format.html
index 80a615f37c0161b286c20126863906cfdd10db0e..acefa180fb78543924183a54db770a35c8fc902d 100644
--- a/html/format.html
+++ b/html/format.html
@@ -33,7 +33,7 @@
 </dl>
 </p>
 
-<p>The namespace used by these formats is <tt>http://knowledgeweb.semanticweb.org/heterogeneity/alignment</tt>.</p>
+<p>The namespace used by these formats is <tt>http://knowledgeweb.semanticweb.org/heterogeneity/alignment#</tt>.</p>
 
 <h2>Format descriptions</h2>
 
@@ -87,7 +87,7 @@ $ java -jar lib/procalign file://$CWD/rdf/onto1.owl file://$CWD/rdf/onto2.owl
 &lt;?xml version='1.0' encoding='utf-8' standalone='no'?>
 &lt;!DOCTYPE rdf:RDF SYSTEM "align.dtd">
 
-&lt;rdf:RDF xmlns='http://knowledgeweb.semanticweb.org/heterogeneity/alignment'
+&lt;rdf:RDF xmlns='http://knowledgeweb.semanticweb.org/heterogeneity/alignment#'
          xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'
          xmlns:xsd='http://www.w3.org/2001/XMLSchema#'>
 &lt;Alignment>