diff --git a/README.CVS b/README.CVS
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+*WARNING* *WARNING* *WARNING* *WARNING* *WARNING* *WARNING* *WARNING*
+The CVS tree may not always have code which can currently be built.
+While every effort is made to keep the head of the tree buildable,
+you may at any time find yourself between commits and hence have a tree
+which does not build, or worse, causes more serious problems!
+
+Do not use the CVS tree unless you know what you're doing.
+
+CVS snapshots do not include files generated by autoconf; You can
+run regen.sh (at the top level) to create these files. You will need
+to have autoconf installed on your system.
+
+