diff --git a/htdocs/Tibetan51Errata.html b/htdocs/Tibetan51Errata.html
index 6a0aa69..26b5cf7 100644
--- a/htdocs/Tibetan51Errata.html
+++ b/htdocs/Tibetan51Errata.html
@@ -125,6 +125,10 @@
     definitive correction is yet available.
   </li>
 
+  <li>
+    The glyph on page 136 by TibetanMachineWeb9.69 is incorrect.
+  </li>
+
   <li>
     The 'greng-bu vowel glyphs listed for TibetanMachineWeb2.112
     through TibetanMachineWeb2.126, inclusive, and