--- a/spec/latest/json-ld-syntax/index.html	Fri Jun 22 23:05:38 2012 -0400
+++ b/spec/latest/json-ld-syntax/index.html	Fri Jun 22 23:11:43 2012 -0400
@@ -853,8 +853,9 @@
 </pre>
 
 <p>In the example above, the key <code>http://xmlns.com/foaf/0.1/name</code> is interpreted
-  as an <tref>IRI</tref>, as opposed to being interpreted as a string because it contains a colon
-  (<code>:</code>) delimiting a valid IRI scheme.</p>
+  as an <tref>IRI</tref> because it contains a colon
+  (<code>:</code>) and the 'http' <tref>prefix</tref> does not exist in 
+  the context.</p>
 
 <p>Term expansion occurs for IRIs if the value matches a <tref>term</tref> defined within the
 <tref>active context</tref>:</p>