diff --git a/doc/layman.asc b/doc/layman.asc
index d4fbe64be..fb331ef69 100644
--- a/doc/layman.asc
+++ b/doc/layman.asc
@@ -23,7 +23,8 @@ subset of OSI's Abstract Syntax Notation One (ASN.1), Basic
 Encoding Rules (BER), and Distinguished Encoding Rules
 (DER). The particular purpose of this note is to provide
 background material sufficient for understanding and
-implementing the PKCS family of standards.
+implementing the PKCS family of standards.  NOTE WELL: This
+document is full of errors and not to be used.
 
 
 1. Introduction