Make the excluding options a list

index.html

@@ -13467,7 +13467,12 @@ <h2>Relationships in the Accessibility Tree</h2>
             <li>All DOM descendants of an element with role <rref>generic</rref> or <rref>none</rref> specified via <pref>aria-owns</pref> with only elements of role <rref>generic</rref> or <rref>none</rref> intervening.
             </li>
           </ul>
-          <p>Excluding those DOM elements that have no corresponding <a>accessible object</a> because they have been <a href="#tree_exclusion">excluded from the accessibility tree</a>, and excluding any elements whose corresponding <a>accessible object</a> have been reparented in the <a>accessibility tree</a> via <pref>aria-owns</pref>.</p>
+          <p>And excludes the following:
+          <ul>
+            <li>All DOM elements that have no corresponding <a>accessible object</a> because they have been <a href="#tree_exclusion">excluded from the accessibility tree</a></li>
+            <li>All DOM elements whose corresponding <a>accessible object</a> have been reparented in the <a>accessibility tree</a> via <pref>aria-owns</pref></li>
+          </ul>
+          </p>
           <p>In the following example, the <rref>list</rref> element has four accessibility children:</p>
 	  <pre class="example highlight">
 &lt;div role="list" aria-owns="child3 child4"&gt;
@@ -13494,11 +13499,11 @@ <h2>Relationships in the Accessibility Tree</h2>
           <ul>
             <li>The <abbr title="Document Object Model">DOM</abbr> parent of the <a>element</a>.
             </li>
-            <li>The ancestor of the <a>element</a> with only elements of role <rref>generic</rref> or <rref>none</rref> intervening.
+            <li>The DOM ancestor of the <a>element</a> with only elements of role <rref>generic</rref> or <rref>none</rref> intervening.
             </li>
-            <li>An element with <pref>aria-owns</pref> set to the DOM ID of the DOM element in question.
+            <li>A DOM element with <pref>aria-owns</pref> set to the DOM ID of the DOM element in question.
             </li>
-            <li>An element with <pref>aria-owns</pref> set to the DOM ID of an ancestor of the DOM element in question, with only elements of role <rref>generic</rref> or <rref>none</rref> intervening.
+            <li>A DOM element with <pref>aria-owns</pref> set to the DOM ID of an ancestor of the DOM element in question, with only elements of role <rref>generic</rref> or <rref>none</rref> intervening.
             </li>
           </ul>
           <p>The following four examples all contain a <rref>listitem</rref> element with an accessibility parent of role <rref>list</rref>:</p>