--- a/spec/index-respec.html	Mon Dec 12 15:16:51 2011 -0500
+++ b/spec/index-respec.html	Tue Dec 13 13:10:38 2011 +0100
@@ -708,9 +708,8 @@
 </section>
 <section>
 <h1>In RDF/XML</h1>
-<p>RDF/XML is easy to generate automatically from structured data, be it in
-object notation or in relational databases. Parsers for it are also widely
-available.</p>
+<p>RDF/XML is widely supported by RDF tools suites and is usually generated automatically from
+data in object notation or in relational databases.</p>
 
 <pre class="example" style="word-wrap: break-word; white-space: pre-wrap;">
 &lt;?xml version=&quot;1.0&quot;?&gt;
@@ -726,16 +725,17 @@
     &lt;cert:key&gt;
       &lt;cert:RSAPublicKey&gt;
         &lt;rdfs:label&gt;made on 23 November 2011 on my laptop&lt;/rdfs:label&gt;
-        &lt;cert:modulus rdf:datatype=&quot;http://www.w3.org/ns/auth/cert#hexBinary&quot;&gt;
+        &lt;cert:modulus rdf:datatype=&quot;http://www.w3.org/2001/XMLSchema#hexBinary&quot;&gt;
 cb24ed85d64d794b69c701c186acc059501e856000f661c93204d8380e07191c5c8b368d2ac32a428acb970398664368dc2a867320220f755e99ca2eecdae62e8d15fb58e1b76ae59cb7ace8838394d59e7250b449176e51a494951a1c366c6217d8768d682dde78dd4d55e613f8839cf275d4c8403743e7862601f3c49a6366e12bb8f498262c3c77de19bce40b32f89ae62c3780f5b6275be337e2b3153ae2ba72a9975ae71ab724649497066b660fcf774b7543d980952d2e8586200eda4158b014e75465d91ecf93efc7ac170c11fc7246fc6ded79c37780000ac4e079f671fd4f207ad770809e0e2d7b0ef5493befe73544d8e1be3dddb52455c61391a1
        &lt;/cert:modulus&gt;
-        &lt;cert:exponent rdf:datatype=&quot;http://www.w3.org/ns/auth/cert#integer&quot;&gt;65537&lt;/cert:exponent&gt;
+        &lt;cert:exponent rdf:datatype=&quot;http://www.w3.org/2001/XMLSchema#integer&quot;&gt;65537&lt;/cert:exponent&gt;
       &lt;/cert:RSAPublicKey&gt;
     &lt;/cert:key&gt;
   &lt;/foaf:Person&gt;
 
 &lt;/rdf:RDF&gt;
 </pre>
+<p>Notice that the datatype needs to be written out as the full URI in rdf/xml.</p>
 <p class="issue">TODO: the dsa ontology</p>
 <p class="todo">What should the time to live be on a WebID document?</p>
 </section>