--- a/rdf-turtle/index.html	Wed Nov 30 07:53:52 2011 -0800
+++ b/rdf-turtle/index.html	Wed Nov 30 07:57:48 2011 -0800
@@ -350,6 +350,7 @@
 				</section>
 				<section id="abbrev">
 				<h3 >Abbreviating common datatypes</h3>
+				<p>A few of the RECOMENDED <a href="../rdf-concepts/index.html#xsd-datatypes">built-in datatypes</a> can be written in Turtle without using the datatype syntax.</p>
 
 				<p>Decimal integers may be written without quotation marks or a 
 datatype indicator and correspond to