diff --git a/cabal-testsuite/cabal-testsuite.cabal b/cabal-testsuite/cabal-testsuite.cabal
index 034def3bde8..35555d76b3c 100644
--- a/cabal-testsuite/cabal-testsuite.cabal
+++ b/cabal-testsuite/cabal-testsuite.cabal
@@ -113,7 +113,8 @@ executable setup
 custom-setup
   -- we only depend on even stable releases of lib:Cabal
   -- and due to Custom complexity and ConstraintSetupCabalMaxVersion
-  -- it can't be the current version
+  -- it has to be the latest release version plus
+  -- you have to use the latest cabal-install release
   setup-depends: Cabal == 3.8.*,
                  Cabal-syntax == 3.8.*,
                  base, filepath, directory