diff --git a/ChangeLog.md b/ChangeLog.md
deleted file mode 100644
--- a/ChangeLog.md
+++ /dev/null
@@ -1,5 +0,0 @@
-# Revision history for PPrinter
-
-## 0.0.3  -- YYYY-mm-dd
-
-* First version. Released on an unsuspecting world.
diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2016, Yi Zhen
+Copyright (c) 2016, Yi ZHen
 
 All rights reserved.
 
@@ -13,7 +13,7 @@
       disclaimer in the documentation and/or other materials provided
       with the distribution.
 
-    * Neither the name of Yi Zhen nor the names of other
+    * Neither the name of Yi ZHen nor the names of other
       contributors may be used to endorse or promote products derived
       from this software without specific prior written permission.
 
diff --git a/PPrinter.cabal b/PPrinter.cabal
--- a/PPrinter.cabal
+++ b/PPrinter.cabal
@@ -10,13 +10,13 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             0.0.3
+version:             0.0.4
 
 -- A short (one-line) description of the package.
 synopsis:            A generic derivable Haskell pretty printer
 
 -- A longer description of the package.
-description:    
+description: 
 
   A library that supports deriving of pretty printing functions on data types.
   .
@@ -34,7 +34,7 @@
   .
   The implementation of deriving part of API is based on that designed in the library:
   GenericPretty, the details are introduced here: 
-  <https://hackage.haskell.org/package/GenericPretty>      
+  <https://hackage.haskell.org/package/GenericPretty>  
 
 -- The license under which the package is released.
 license:             BSD3
@@ -58,7 +58,7 @@
 
 -- Extra files to be distributed with the package, such as examples or a 
 -- README.
-extra-source-files:  ChangeLog.md
+-- extra-source-files:  ChangeLog.md
 
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.10
@@ -72,10 +72,10 @@
   -- other-modules:       
   
   -- LANGUAGE extensions used by modules in this package.
-  other-extensions:    TypeOperators, DeriveGeneric, FlexibleInstances, FlexibleContexts, DefaultSignatures
+  other-extensions:    TypeOperators, FlexibleInstances, FlexibleContexts, DefaultSignatures
   
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.8 && <4.9, containers >=0.5 && <0.6, hspec >=2.2 && <2.3, QuickCheck >=2.8 && <2.9, parsec >=3.1 && <3.2
+  build-depends:       base >=4.8 && <4.9, containers >=0.5 && <0.6
   
   -- Directories containing source files.
   hs-source-dirs:      ./