diff --git a/index.html b/index.html
index dc29f129..d773f907 100644
--- a/index.html
+++ b/index.html
@@ -479,8 +479,9 @@ <h3>
             </p>
             <aside class="note">
               <p>
-                An actual direction value such as `rtl` or `ltr` is preferred
-                to relying on `auto`.
+                An actual direction value such as "[=text-direction/rtl=]" or
+                "[=text-direction/ltr=]" is preferred to relying on
+                "[=text-direction/auto=]".
               </p>
             </aside>
           </dd>