Use [[HTML]] reference, not [[HTML52]].

Author: gkellogg

index.html

@@ -5095,11 +5095,11 @@ <h3>The <dfn>JsonLdProcessor</dfn> Interface</h3>
             extract the content of the <a>JSON-LD script element</a>(s) into <var>original input</var>:
             <ol>
               <li>Set <a>base IRI</a> to the the <a data-cite="HTML52/infrastructure.html#document-base-url">Document Base URL</a>
-                of <var>original input</var>, as defined in [[HTML52]],
+                of <var>original input</var>, as defined in [[HTML]],
                 using the existing <a>base IRI</a> as the document's URL.
                 <div class="issue atrisk">
                   The use of the <a data-cite="HTML52/infrastructure.html#document-base-url">Document Base URL</a>
-                  from [[HTML52]] for setting the <a>base IRI</a> of the enclosed JSON-LD
+                  from [[HTML]] for setting the <a>base IRI</a> of the enclosed JSON-LD
                   is an experimental feature, which may be changed in a future version of this specification.
                 </div>
               <li>If the original passed <a data-lt="jsonldprocessor-expand-input">input</a> parameter