diff --git a/source/reference/audit-message.txt b/source/reference/audit-message.txt
index c99330f21f1..67cc003a2df 100644
--- a/source/reference/audit-message.txt
+++ b/source/reference/audit-message.txt
@@ -155,7 +155,7 @@ associated ``param`` details and the ``result`` values, if any.
 
      - | ``0`` - Success
        | ``18`` - Authentication Failed
-
+       | ``334`` - Mechanism Unavailable
 
    * - :authaction:`authCheck`