--- a/glossary/index.html	Thu Feb 28 09:04:54 2013 -0500
+++ b/glossary/index.html	Thu Feb 28 09:25:17 2013 -0500
@@ -335,7 +335,7 @@
 
 <section>
 <h4>RDFS</h4>
-RDFS is the schema language for RDF; it describes constructs for types of objects (Classes), relating types to one another (subClasses), properties that describe objects (Properties), and relationships between them (subProperty).
+RDFS is the schema language for RDF; it describes constructs for types of objects (Classes), relating types to one another (subClasses), properties that describe objects (Properties), and relationships between them (subProperty).  <a href="http://www.w3.org/TR/rdf-schema/"> RDF Schema W3C Recommendation</a>
 </section>
 
 <section>