diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -1,3 +1,7 @@
+1.3.1.1
+-------
+* Fixed builds on GHC 7.2
+
 1.3.1
 -----
 * Added `Data.Functor.Contravariant.Generic` on GHC 7.4+
diff --git a/contravariant.cabal b/contravariant.cabal
--- a/contravariant.cabal
+++ b/contravariant.cabal
@@ -1,6 +1,6 @@
 name:          contravariant
 category:      Control, Data
-version:       1.3.1
+version:       1.3.1.1
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -63,7 +63,7 @@
   if flag(StateVar)
     build-depends: StateVar >= 1.1 && < 1.2
 
-  if impl(ghc >= 7.4 && < 7.6)
+  if impl(ghc >= 7.2 && < 7.6)
     build-depends: ghc-prim
 
   exposed-modules:
diff --git a/src/Data/Functor/Contravariant.hs b/src/Data/Functor/Contravariant.hs
--- a/src/Data/Functor/Contravariant.hs
+++ b/src/Data/Functor/Contravariant.hs
@@ -14,7 +14,7 @@
 #define MIN_VERSION_base(x,y,z) 1
 #endif
 
-#if __GLASGOW_HASKELL__ >= 702
+#if __GLASGOW_HASKELL__ >= 704
 #if MIN_VERSION_transformers(0,3,0) && MIN_VERSION_tagged(0,6,1)
 {-# LANGUAGE Safe #-}
 #else
@@ -230,8 +230,7 @@
 #endif
 
 -- | A 'Comparison' is a 'Contravariant' 'Functor', because 'contramap' can
--- apply its function argument to each input to each input to the
--- comparison function.
+-- apply its function argument to each input of the comparison function.
 instance Contravariant Comparison where
   contramap f g = Comparison $ on (getComparison g) f
 
@@ -259,7 +258,7 @@
 -- @
 --
 -- __Symmetry__:
--- 
+--
 -- @
 -- 'getEquivalence' f a b = 'getEquivalence' f b a
 -- @