diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,7 +1,8 @@
 # hspecVariant
+
 Spec for testing properties for variant types
 
-~~~haskell
+```haskell
 {-# LANGUAGE TypeSynonymInstances #-}
 
 type Natural = Integer
@@ -12,13 +13,15 @@
     if (n<0) then return n else return ((-1)*(n+1))
   valid = do
     n <- arbitrary
-    if (n>=0) then return n else return ((-1)*(n+1))
-~~~
+    if (n>=0) then return n else return ((-1)*n)
+```
+
 Test
-~~~haskell
+
+```haskell
 main::IO ()
 main = hspec $
   describe "Naturals" $
     propValid "succ" $
       \x -> succ (x::Natural) > 0
-~~~
+```
diff --git a/hspecVariant.cabal b/hspecVariant.cabal
--- a/hspecVariant.cabal
+++ b/hspecVariant.cabal
@@ -2,7 +2,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            Spec for testing properties for variant types
 description:         Spec for testing properties for variant types
 homepage:            https://github.com/sanjorgek/hspecVariant
@@ -26,7 +26,7 @@
   -- other-modules:       
   -- other-extensions:    
   build-depends:       base >=4.6 && <5
-                       , QuickCheckVariant ==0.1.1.0
+                       , QuickCheckVariant ==0.2.0.0
                        , hspec >=2.2 && <3
   hs-source-dirs:      src
   default-language:    Haskell98