diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,2 +1,5 @@
+## 0.1.1
+* Allowed the `two-point-one` flag to toggle on/off automatically
+
 # 0.1
 * Initial commit
diff --git a/mtl-compat.cabal b/mtl-compat.cabal
--- a/mtl-compat.cabal
+++ b/mtl-compat.cabal
@@ -1,5 +1,5 @@
 name:                mtl-compat
-version:             0.1
+version:             0.1.1
 synopsis:            Orphan mtl instances for ExceptT from transformers-compat
 description:         This package backports the "Control.Monad.Except" module (if
                      using @mtl-2.2.0.1@ or earlier) and monad class instances for
@@ -30,13 +30,15 @@
 
 flag two-point-one
   default:             False
-  manual:              True
-  description:         Use @mtl-2.1.3.1@ or earlier with @transformers-compat@.
+  manual:              False
+  description:         Use mtl-2.1.3.1 or earlier with transformers-compat.
+                       This should toggle on/off automatically.
 
 flag two-point-two
   default:             False
   manual:              True
-  description:         Use mtl-2.2.0.1.
+  description:         Use mtl-2.2.0.1. This is probably not what you want, so
+                       this must be selected manually.
 
 library
   build-depends:       base                >= 4.3     && < 5
