--- a/rdf-primer/index.html	Mon Apr 15 16:07:31 2013 +0100
+++ b/rdf-primer/index.html	Mon Apr 15 16:22:46 2013 +0100
@@ -298,7 +298,7 @@
 <http://example.org/#bob> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person>.
 <http://example.org/#alice> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person>.
 <http://example.org/#bob> <http://xmlns.com/foaf/0.1/knows> <http://example.org/#alice>.
-<http://example.org/#bob> <http://example.org/#birth-date> "1990-07-04"^^<http://www.w3.org/2001/XMLSchema#date>.
+<http://example.org/#bob> <http://schema.org/birthDate> "1990-07-04"^^<http://www.w3.org/2001/XMLSchema#date>.
 <http://example.org/#da-vinci> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person>.
 <http://example.org/#da-vinci> <http://xmlns.com/foaf/0.1/made> <http://example.org/#the-mona-lisa>.
 <http://example.org/#the-mona-lisa> <http://example.org/#on-display-in> <http://example.org/#the-louvre>.
@@ -316,7 +316,7 @@
     we could write the first triple of our Mona Lisa example as follows.</p>
 
     <pre>
-&lt;http://example.org/#bob&gt; &lt;http://example.org/#knows&gt; &lt;http://example.org/#alice&gt; &lt;http://example.org/#graph-1&gt;.
+&lt;http://example.org/#bob&gt; &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#type&gt; &lt;http://xmlns.com/foaf/0.1/Person&gt; &lt;http://example.org/#graph-1&gt;.
     </pre>
 
     <h3>Turtle</h3>
@@ -327,13 +327,14 @@
 
     <pre>
 @prefix foaf: &lt;http://xmlns.com/foaf/0.1/&gt; .
-@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix schema: &lt;http://schema.org/&gt; .
 @prefix : &lt;http://example.org/#&gt; .
 
 :bob
   a foaf:Person ;
   foaf:knows :alice ;
-  :birth-date "1990-07-04"^^xsd:date ;
+  schema:birthDate "1990-07-04"^^xsd:date ;
   :likes :the-mona-lisa .
 :alice
   a foaf:Person .