diff --git a/src/Graphics/Xournal/Render/BBox.hs b/src/Graphics/Xournal/Render/BBox.hs
--- a/src/Graphics/Xournal/Render/BBox.hs
+++ b/src/Graphics/Xournal/Render/BBox.hs
@@ -1,5 +1,16 @@
 {-# LANGUAGE OverloadedStrings #-}
 
+-----------------------------------------------------------------------------
+-- |
+-- Module      : Graphics.Xournal.Render.BBox 
+-- Copyright   : (c) 2011, 2012 Ian-Woo Kim
+--
+-- License     : BSD3
+-- Maintainer  : Ian-Woo Kim <ianwookim@gmail.com>
+-- Stability   : experimental
+-- Portability : GHC
+--
+
 module Graphics.Xournal.Render.BBox where
 
 import Graphics.Rendering.Cairo
diff --git a/src/Graphics/Xournal/Render/BBoxMapPDF.hs b/src/Graphics/Xournal/Render/BBoxMapPDF.hs
--- a/src/Graphics/Xournal/Render/BBoxMapPDF.hs
+++ b/src/Graphics/Xournal/Render/BBoxMapPDF.hs
@@ -2,6 +2,17 @@
              MultiParamTypeClasses, FlexibleInstances, FlexibleContexts, 
              CPP #-}
 
+-----------------------------------------------------------------------------
+-- |
+-- Module      : Graphics.Xournal.Render.BBoxMapPDF 
+-- Copyright   : (c) 2011, 2012 Ian-Woo Kim
+--
+-- License     : BSD3
+-- Maintainer  : Ian-Woo Kim <ianwookim@gmail.com>
+-- Stability   : experimental
+-- Portability : GHC
+--
+
 module Graphics.Xournal.Render.BBoxMapPDF where
 
 import Graphics.Xournal.Render.Type 
diff --git a/src/Graphics/Xournal/Render/Generic.hs b/src/Graphics/Xournal/Render/Generic.hs
--- a/src/Graphics/Xournal/Render/Generic.hs
+++ b/src/Graphics/Xournal/Render/Generic.hs
@@ -1,5 +1,16 @@
 {-# LANGUAGE FlexibleInstances, FlexibleContexts, TypeFamilies #-}
 
+-----------------------------------------------------------------------------
+-- |
+-- Module      : Graphics.Xournal.Render.Generic 
+-- Copyright   : (c) 2011, 2012 Ian-Woo Kim
+--
+-- License     : BSD3
+-- Maintainer  : Ian-Woo Kim <ianwookim@gmail.com>
+-- Stability   : experimental
+-- Portability : GHC
+--
+
 module Graphics.Xournal.Render.Generic where
 
 import Data.Foldable
diff --git a/src/Graphics/Xournal/Render/HitTest.hs b/src/Graphics/Xournal/Render/HitTest.hs
--- a/src/Graphics/Xournal/Render/HitTest.hs
+++ b/src/Graphics/Xournal/Render/HitTest.hs
@@ -1,5 +1,16 @@
 {-# LANGUAGE GeneralizedNewtypeDeriving #-}
 
+-----------------------------------------------------------------------------
+-- |
+-- Module      : Graphics.Xournal.Render.HitTest 
+-- Copyright   : (c) 2011, 2012 Ian-Woo Kim
+--
+-- License     : BSD3
+-- Maintainer  : Ian-Woo Kim <ianwookim@gmail.com>
+-- Stability   : experimental
+-- Portability : GHC
+--
+
 module Graphics.Xournal.Render.HitTest where
 
 import Data.Strict.Tuple
diff --git a/src/Graphics/Xournal/Render/PDFBackground.hs b/src/Graphics/Xournal/Render/PDFBackground.hs
--- a/src/Graphics/Xournal/Render/PDFBackground.hs
+++ b/src/Graphics/Xournal/Render/PDFBackground.hs
@@ -2,6 +2,17 @@
              FlexibleInstances, FlexibleContexts,  
              TypeFamilies, CPP #-}
 
+-----------------------------------------------------------------------------
+-- |
+-- Module      : Graphics.Xournal.Render.PDFBackground 
+-- Copyright   : (c) 2011, 2012 Ian-Woo Kim
+--
+-- License     : BSD3
+-- Maintainer  : Ian-Woo Kim <ianwookim@gmail.com>
+-- Stability   : experimental
+-- Portability : GHC
+--
+
 module Graphics.Xournal.Render.PDFBackground where
 
 
diff --git a/src/Graphics/Xournal/Render/Simple.hs b/src/Graphics/Xournal/Render/Simple.hs
--- a/src/Graphics/Xournal/Render/Simple.hs
+++ b/src/Graphics/Xournal/Render/Simple.hs
@@ -1,5 +1,16 @@
 {-# LANGUAGE OverloadedStrings #-}
 
+-----------------------------------------------------------------------------
+-- |
+-- Module      : Graphics.Xournal.Render.Simple 
+-- Copyright   : (c) 2011, 2012 Ian-Woo Kim
+--
+-- License     : BSD3
+-- Maintainer  : Ian-Woo Kim <ianwookim@gmail.com>
+-- Stability   : experimental
+-- Portability : GHC
+--
+
 module Graphics.Xournal.Render.Simple where 
 
 import Graphics.Rendering.Cairo
diff --git a/src/Graphics/Xournal/Render/Type.hs b/src/Graphics/Xournal/Render/Type.hs
--- a/src/Graphics/Xournal/Render/Type.hs
+++ b/src/Graphics/Xournal/Render/Type.hs
@@ -1,5 +1,16 @@
 {-# LANGUAGE TypeFamilies #-}
 
+-----------------------------------------------------------------------------
+-- |
+-- Module      : Graphics.Xournal.Render.Type 
+-- Copyright   : (c) 2011, 2012 Ian-Woo Kim
+--
+-- License     : BSD3
+-- Maintainer  : Ian-Woo Kim <ianwookim@gmail.com>
+-- Stability   : experimental
+-- Portability : GHC
+--
+
 module Graphics.Xournal.Render.Type ( 
   module Graphics.Xournal.Render.Type.Hitted,
   module Graphics.Xournal.Render.Type.Select
diff --git a/src/Graphics/Xournal/Render/Type/Hitted.hs b/src/Graphics/Xournal/Render/Type/Hitted.hs
--- a/src/Graphics/Xournal/Render/Type/Hitted.hs
+++ b/src/Graphics/Xournal/Render/Type/Hitted.hs
@@ -1,3 +1,14 @@
+
+-----------------------------------------------------------------------------
+-- |
+-- Module      : Graphics.Xournal.Render.Type.Hitted 
+-- Copyright   : (c) 2011, 2012 Ian-Woo Kim
+--
+-- License     : BSD3
+-- Maintainer  : Ian-Woo Kim <ianwookim@gmail.com>
+-- Stability   : experimental
+-- Portability : GHC
+--
 module Graphics.Xournal.Render.Type.Hitted where
 
 import Data.Xournal.BBox
diff --git a/src/Graphics/Xournal/Render/Type/Select.hs b/src/Graphics/Xournal/Render/Type/Select.hs
--- a/src/Graphics/Xournal/Render/Type/Select.hs
+++ b/src/Graphics/Xournal/Render/Type/Select.hs
@@ -1,5 +1,16 @@
 {-# LANGUAGE TypeFamilies #-}
 
+-----------------------------------------------------------------------------
+-- |
+-- Module      : Graphics.Xournal.Render.Type.Select 
+-- Copyright   : (c) 2011, 2012 Ian-Woo Kim
+--
+-- License     : BSD3
+-- Maintainer  : Ian-Woo Kim <ianwookim@gmail.com>
+-- Stability   : experimental
+-- Portability : GHC
+--
+
 module Graphics.Xournal.Render.Type.Select where
 
 import Data.Xournal.Simple 
diff --git a/xournal-render.cabal b/xournal-render.cabal
--- a/xournal-render.cabal
+++ b/xournal-render.cabal
@@ -1,5 +1,5 @@
 Name:		xournal-render
-Version:	0.5
+Version:	0.5.0
 Synopsis:       Xournal file renderer
 Description: 	Rendering library using cairo for xournal file format
 License: 	BSD3
