diff --git a/htdocs/Tibetan51Errata.html b/htdocs/Tibetan51Errata.html
index f0aba58..1401f66 100644
--- a/htdocs/Tibetan51Errata.html
+++ b/htdocs/Tibetan51Errata.html
@@ -155,6 +155,11 @@
     TibetanMachineSkt4.134/TibetanMachineWeb9.39 is mar.tshes.tags,
     U+0F3F, not yar.tshes.tags, U+0F3E.
   </li>
+
+  <li>
+    The glyph on page 104 by TibetanMachineWeb2.39 is incorrect.
+  </li>
+
 </ul>
 
 <p>