diff --git a/Cabal/Distribution/PackageDescription/Check.hs b/Cabal/Distribution/PackageDescription/Check.hs
index 3bd8accf7c8efaf75badd0e10fa8d1d063e77b76..6adb3a2e6b70ecd2e51148e7d34e85a65c53474a 100644
--- a/Cabal/Distribution/PackageDescription/Check.hs
+++ b/Cabal/Distribution/PackageDescription/Check.hs
@@ -1283,7 +1283,7 @@ checkPackageVersions pkg =
         ++ "new major version of the 'base' package is released. If you are "
         ++ "not sure what upper bound to use then use the next  major "
         ++ "version. For example if you have tested your package with 'base' "
-        ++ "version 2 and 3 then use 'build-depends: base >= 2 && < 4'."
+        ++ "version 4.5 and 4.6 then use 'build-depends: base >= 4.5 && < 4.7'."
 
   ]
   where