--- cwebx-3.04.orig/manual.tex
+++ cwebx-3.04/manual.tex
@@ -99,6 +99,15 @@
 
 \bigskip\bigskip
 
+\noindent
+{\bf WARNING: \sl On Debian systems, \kern0.3pt \CWEBx. is installed
+as a suite of two programs:\/ \.{cweavex} and\/ \.{ctanglex}, to
+distinguish them from\/ \.{cweave} and\/ \.{ctangle}, which are the
+original Levy/Knuth versions.  Therefore, please be careful to
+call the programs by these names rather than\/ \.{cweave} and\/
+\.{ctangle} as used in the remainder of this manual.}
+
+\bigskip
 
 \beginsection Overview
 
