diff --git a/collects/scribblings/quick/quick.scrbl b/collects/scribblings/quick/quick.scrbl
index 4b88786e87..693afaa4fd 100644
--- a/collects/scribblings/quick/quick.scrbl
+++ b/collects/scribblings/quick/quick.scrbl
@@ -2,6 +2,9 @@
 
 @title{An Introduction to PLT Scheme with Pictures}
 
+@bold{This reference describes a potential future version of PLT Scheme.
+      It does not match the current implementation.}
+
 @; ----------------------------------------------------------------------
 
 @require[(lib "manual.ss" "scribble")]