diff --git a/collects/typed-scheme/private/base-types.ss b/collects/typed-scheme/private/base-types.ss
index 1790b12b..c36c4ca1 100644
--- a/collects/typed-scheme/private/base-types.ss
+++ b/collects/typed-scheme/private/base-types.ss
@@ -82,7 +82,7 @@
   
   
   -> U mu Un All Opaque Vectorof
-  Parameter Tuple Class
+  Parameter Tuple Class Values
   )  
 
 (provide-extra-tnames)