Fix reference.

Author: davidlehn

spec/latest/json-ld-framing/index.html

@@ -205,7 +205,7 @@ <h2>How to Read this Document</h2>
 and the JSON-LD API [[!JSON-LD-API]]. To understand the API and how it is
 intended to operate  in a programming environment, it is useful to have working
 knowledge of the JavaScript programming language [[ECMASCRIPT-6.0]] and
-WebIDL [[!WebIDL]]. To understand how JSON-LD maps to RDF, it is helpful to be
+WebIDL [[!WEBIDL]]. To understand how JSON-LD maps to RDF, it is helpful to be
 familiar with the basic RDF concepts [[!RDF-CONCEPTS]].</p>
 
 </section>