fix missing opening a element

html-aam/index.html

@@ -16324,7 +16324,7 @@ <h4>Sectioning Content Elements Accessible Name Computation</h4>
           <h4>Name Prohibited Elements</h4>
             <p>The following elements are prohibited from being named by authors.</p>
             <p>
-              <a>`a`</a> (no `href` attribute), `abbr`</a>, <a>`area`</a> <span class="el-context">(no `href` attribute)</span>, <a data-cite="HTML">autonomous custom element (if implicit `generic` role)</a>, 
+              <a>`a`</a> (no `href` attribute), <a>`abbr`</a>, <a>`area`</a> <span class="el-context">(no `href` attribute)</span>, <a data-cite="HTML">autonomous custom element (if implicit `generic` role)</a>, 
               <a>`b`</a>, <a>`bdi`</a>, <a>`bdo`</a>, <a>`br`</a>, <a>`body`</a>, <a>`caption`</a>, <a>`cite`</a>, <a>`code`</a>, <a>`data`</a>, <a>`del`</a>, <a>`dfn`</a>, <a>`div`</a>, <a>`em`</a>, 
               <a>`figcaption`</a>, <a data-cite="html/custom-elements.html#custom-elements-face-example">form-associated custom element (if implicit `generic` role)</a>, <a>`html`</a>, <a>`i`</a>, <a>`ins`</a>, 
               <a>`kbd`</a>, <a>`label`</a>, <a>`legend`</a>, <a>`li`</a>, <a>`mark`</a>, <a>`p`</a>, <a>`pre`</a>, <a>`picture`</a>, <a>`q`</a>, <a>`rp`</a>, <a>`rt`</a>, <a>`s`</a>, <a>`samp`</a>, <a>`small`</a>,