diff --git a/spec/normative-references.html b/spec/normative-references.html
index e673d377..eb01133d 100644
--- a/spec/normative-references.html
+++ b/spec/normative-references.html
@@ -55,4 +55,7 @@ <h1>Normative References</h1>
       </ul>
     </li>
   </ul>
+  <emu-note>
+    Sections of this specification that depend on these references are updated on a best-effort basis, but are not guaranteed to be up-to-date with those standards.
+  </emu-note>
 </emu-clause>