Update right angle bracket for Example 48 (#2061)

Closes #2060

Fix incorrect placement of the right angle bracket:
`<div> role="listitem">The "list" is my accessibility parent.</div>`

Link: https://w3c.github.io/aria/#example-48

Editorial

Author: giacomo-petri

index.html

@@ -13545,7 +13545,7 @@ <h2>Relationships in the Accessibility Tree</h2>
 	  <pre class="example highlight">
 &lt;div role="list" aria-owns="child"&gt;&lt;/div&gt;
 &lt;div id="child"&gt;
-  &lt;div&gt; role="listitem"&gt;The "list" is my accessibility parent.&lt;/div&gt;
+  &lt;div role="listitem"&gt;The "list" is my accessibility parent.&lt;/div&gt;
 &lt;/div&gt;
           </pre>
 	</section>