diff --git a/racket/src/cs/Makefile b/racket/src/cs/Makefile
index 0c1bb2066c..6d5a24ed62 100644
--- a/racket/src/cs/Makefile
+++ b/racket/src/cs/Makefile
@@ -6,7 +6,7 @@ SCHEME = scheme
 
 # Controls whether Racket layers are built as unsafe; beware that
 # building some Racket libraries using safe mode may require setting
-# `PLT_CS_COMPILE_LIMIT` to 1000 (instead of 1000):
+# `PLT_CS_COMPILE_LIMIT` to 1000 (instead of 10000):
 UNSAFE_COMP = --unsafe
 
 # Controls whether compiled code is compressed: