Sync up with Living Specification changes: Document rather than XMLDocument

whatwg/domparsing@eb55d5c

Author: travisleithead

index.html

@@ -1052,7 +1052,11 @@ <h1>The <code>DOMParser</code> interface</h1>
                     with name <code>SyntaxError</code>. -->
 
                     <li>Let <var>document</var> be a newly-created
-                    <code><a data-spec="DOM4" title="xmldocument" class="externalDFN">XMLDocument</a></code>.
+                    <a data-spec="DOM4" title="xml-document" class="externalDFN">XML Document</a>.
+                    <span class="note">The <var>document</var> will use the 
+                    <code><a data-spec="DOM4" title="document" class="externalDFN">Document</a></code> interface
+                    rather than the <code><a data-spec="DOM4" title="xmldocument" class="externalDFN">XMLDocument</a></code>
+                    interface.</span>
 
                     <li>
                     <p>Let <var>root</var> be a new