diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,4 +1,8 @@
-# Revision history for hetero-array
+# Revision history for hetero-dict
+
+## 0.1.0.1  -- 2016-05-31
+
+* fix DynDict's Show instance.
 
 ## 0.1.0.0  -- 2016-05-31
 
diff --git a/Data/Hetero/DynDict.hs b/Data/Hetero/DynDict.hs
--- a/Data/Hetero/DynDict.hs
+++ b/Data/Hetero/DynDict.hs
@@ -29,7 +29,7 @@
 -- 12
 -- > get [key|bar|] d
 -- "baz"
--- > let d' = set [key|foo] 13 d
+-- > let d' = set [key|foo|] 13 d
 -- > get [key|foo|] d'
 -- 13
 -- @
@@ -145,6 +145,6 @@
         showDict (i + 1) (unsafeCoerce $ DynDict t :: DynDict kvs)
 
 instance ShowDynDict kvs => Show (DynDict kvs) where
-    show d = "Dict {" ++
+    show d = "DynDict {" ++
         (intercalate ", " . map (\(k, v, t) -> k ++ " = " ++ v ++ " :: " ++ show t) $ showDict 0 d)
         ++ "}"
diff --git a/Data/Hetero/KVList.hs b/Data/Hetero/KVList.hs
--- a/Data/Hetero/KVList.hs
+++ b/Data/Hetero/KVList.hs
@@ -1,13 +1,9 @@
-{-# LANGUAGE BangPatterns           #-}
-{-# LANGUAGE CPP                    #-}
 {-# LANGUAGE ConstraintKinds        #-}
 {-# LANGUAGE DataKinds              #-}
 {-# LANGUAGE FlexibleContexts       #-}
 {-# LANGUAGE FlexibleInstances      #-}
-{-# LANGUAGE FunctionalDependencies #-}
 {-# LANGUAGE GADTs                  #-}
 {-# LANGUAGE KindSignatures         #-}
-{-# LANGUAGE MultiParamTypeClasses  #-}
 {-# LANGUAGE ScopedTypeVariables    #-}
 {-# LANGUAGE TemplateHaskell        #-}
 {-# LANGUAGE TypeFamilies           #-}
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 hetero-dict: fast heterogeneous data structures
 ===============================================
 
+[![Hackage](https://img.shields.io/hackage/v/hetero-dict.svg?style=flat)](http://hackage.haskell.org/package/hetero-dict)
 [![Travis-CI](https://travis-ci.org/winterland1989/hetero-dict.svg)](https://travis-ci.org/winterland1989/hetero-dict)
 
 This package provide two flavor fast and easy to use heterogeneous data structures:
@@ -35,7 +36,7 @@
 12
 > get [key|bar|] d
 "baz"
-> let d' = set [key|foo] 13 d
+> let d' = set [key|foo|] 13 d
 > get [key|foo|] d'
 13
 ```
diff --git a/hetero-dict.cabal b/hetero-dict.cabal
--- a/hetero-dict.cabal
+++ b/hetero-dict.cabal
@@ -1,7 +1,7 @@
 name:                hetero-dict
-version:             0.1.0.0
-synopsis:            Fast read-only heterogeneous data structures
-description:         Fast read-only heterogeneous data structures
+version:             0.1.0.1
+synopsis:            Fast heterogeneous data structures
+description:         Fast heterogeneous data structures
 license:             MIT
 license-file:        LICENSE
 author:              Hirotomo Moriwaki <philopon.dependence@gmail.com>,