diff --git a/Data/Monoid/Plus.lhs b/Data/Monoid/Plus.lhs
--- a/Data/Monoid/Plus.lhs
+++ b/Data/Monoid/Plus.lhs
@@ -12,7 +12,7 @@
 \def\: #1.{\advance\chapno by 1\relax\hugebreak{\bf\S\the\chapno. #1. }}
 
 \: Introduction. This is program for related things about monoids. It also
-has a tyep for bounded numbers.
+has a type for bounded numbers.
 
 > {-# LANGUAGE FlexibleInstances #-}
 
diff --git a/monoidplus.cabal b/monoidplus.cabal
--- a/monoidplus.cabal
+++ b/monoidplus.cabal
@@ -1,5 +1,5 @@
 Name:                monoidplus
-Version:             0.1
+Version:             0.1.0.1
 Synopsis:            Extra classes/functions about monoids
 License:             PublicDomain
 Category:            Data, Math
@@ -12,4 +12,4 @@
 
 Library
   Exposed-modules:     Data.Monoid.Plus
-  Build-depends:       base == 4.*, transformers, semigroups, contravariant
+  Build-depends:       base == 4.*, contravariant == 0.1.*, semigroups > 0.1 && < 0.9, transformers < 0.3