diff --git a/index.html b/index.html
index ad66161..50e6b60 100644
--- a/index.html
+++ b/index.html
@@ -2415,7 +2415,8 @@ <h2 id="docconformance">
               </p>
               <p>
                 Otherwise, any 
-                <a data-cite="wai-aria-1.2#global_states">global `aria-*` attributes</a>.
+                <a data-cite="wai-aria-1.2#global_states">global `aria-*` attributes</a>
+                and any other `aria-*` attributes applicable to the `progressbar` role.
               </p>
             </td>
           </tr>