Update index.html

Co-authored-by: Dave Longley <dlongley@digitalbazaar.com>

index.html

@@ -7124,7 +7124,7 @@ <h2>Changes since Recommendation of 16 July 2020</h2>
       defaults to `true`, rather than `false`.
       This is consistent with wording in
       <a data-cite="JSON-LD11#embedding-json-ld-in-html-documents">Embedding JSON-LD in HTML Documents</a> [[JSON-LD11]]
-      for teating script elements as a single document.</li>
+      for treating script elements as a single document.</li>
   </ul>
 </section>
 <section id="ack"