Clarify sentence.

index.html

@@ -137,7 +137,7 @@ <h2>Annotations</h2>
         <li><strong>User Need 9:</strong> Assistive technology users need to be able to control the amount of information presented about annotations to prevent becoming overwhelmed while they are reading, navigating, and editing content.</li>
         <li><strong>REQ 9:</strong> Provide options for the user to limit the amount of detail presented as each annotation is encountered. For example, it should be possible to suppress presentation of metadata or replies to comments, or to alert the user only to the presence of the annotation without presenting the metadata or comment text.</li>
         <li><strong>User Need 10:</strong> Assistive technology users and users with learning or cognitive disabilities sometimes need support in understanding and navigating annotations that represent comments organized as <em>threads</em> of conversation.</li>
-        <li><strong>REQ 10A:</strong> Ensure that the structure of comment threads is unambiguously presented in the user interface, both via visual cues such as icons and color changes as well as programmatically, and to assistive technologies.</li>
+        <li><strong>REQ 10A:</strong> Ensure that the structure of comment threads is unambiguously presented in the user interface, both via visual cues such as icons and color changes, and programmatically to assistive technologies.</li>
         <li><strong>REQ 10B:</strong> Enable threads to be expanded or collapsed by the user, and ensure the expanded or collapsed state is disclosed to assistive technologies.</li>
       </ul>
       <p class="note">REQ 8 may be valuable to users in general, and it should be considered for inclusion as a feature of collaboration tools themselves.</p>