update changelog

index.html

@@ -64,6 +64,10 @@
         the following substantive additions and/or corrections have been proposed:
       </p>
       <ul>
+        <li>
+          <a href="https://github.com/w3c/html-aria/pull/469">29 June 2023 - Addition:</a>
+          Update the <a href="#s">`s`</a> element allowed roles to indicate use of `role=deletion` on the element would be considered redundnat.
+        </li>
         <li>
           <a href="https://github.com/w3c/html-aria/pull/435">31 May 2023 - Correction:</a>
           Conditionally revise allowed `aria-*` attributes and roles on <a href="#el-summary">`summary`</a> element.