Fix some minor HTML errors.

Author: gkellogg

index.html

@@ -2976,6 +2976,7 @@ <h3>Algorithm</h3>
                   <a>member</a>, create one and set its value to the <a>term</a>
                   being processed.</li>
               </ol>
+            </li>
             <li>Otherwise, if <a>term definition</a> has a
               <a>type mapping</a>:
               <ol>
@@ -4585,7 +4586,7 @@ <h3>Overview</h3>
         <span class="changed">Literals with datatype <code>jsonld:JSON</code>
           are transformed into a value object using the internal representation
           based on the lexical-to-value mapping defined in
-          <a data-cite="JSON-LD11#dfn-json-datatype" class="externalDfn">JSON datatype</a> in [[JSON-LD11]]</span>,
+          <a data-cite="JSON-LD11#dfn-json-datatype" class="externalDfn">JSON datatype</a> in [[JSON-LD11]],
           and <code>@type</code> of <code>@json</code>.</span>
         If the <a data-link-for="JsonLdOptions">useNativeTypes</a> flag is set to <code>true</code>,
         <a>RDF literals</a> with a