diff --git a/Data/Default/Class.hs b/Data/Default/Class.hs
--- a/Data/Default/Class.hs
+++ b/Data/Default/Class.hs
@@ -1,32 +1,36 @@
 {-
 
-Copyright (c) 2013 Lukas Mai
+Copyright (c) 2013, Lukas Mai
 
 All rights reserved.
 
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
 
-* Redistributions of source code must retain the above copyright notice, this
-  list of conditions and the following disclaimer.
-* Redistributions in binary form must reproduce the above copyright notice,
-  this list of conditions and the following disclaimer in the documentation
-  and/or other materials provided with the distribution.
-* Neither the name of the author nor the names of his contributors
-  may be used to endorse or promote products derived from this software
-  without specific prior written permission.
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
 
-THIS SOFTWARE IS PROVIDED BY LUKAS MAI AND CONTRIBUTORS "AS IS" AND ANY
-EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
-DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
 
+    * Neither the name of Lukas Mai nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
 -}
 
 {-# LANGUAGE CPP #-}
@@ -37,16 +41,21 @@
 {-# LANGUAGE DefaultSignatures, TypeOperators, FlexibleContexts #-}
 #endif
 
+{-|
+Module      : Data.Default.Class
+Description : Defines a class for types with a default value.
+
+This module defines a class for types with a default value.
+It also defines 'Default' instances for the types 'Int', 'Int8',
+'Int16', 'Int32', 'Int64', 'Word', 'Word8', 'Word16', 'Word32', 'Word64',
+'Integer', 'Float', 'Double', 'Ratio', 'Complex', 'CShort', 'CUShort',
+'CInt', 'CUInt', 'CLong', 'CULong', 'CLLong', 'CULLong', 'CPtrdiff',
+'CSize', 'CSigAtomic', 'CIntPtr', 'CUIntPtr', 'CIntMax', 'CUIntMax',
+'CClock', 'CTime', 'CUSeconds', 'CSUSeconds', 'CFloat', 'CDouble', '(->)',
+'IO', 'Maybe', '()', '[]', 'Ordering', 'Any', 'All', 'Last', 'First', 'Sum',
+'Product', 'Endo', 'Dual', and tuples.
+-}
 module Data.Default.Class (
--- | This module defines a class for types with a default value.
--- It also defines 'Default' instances for the types 'Int', 'Int8',
--- 'Int16', 'Int32', 'Int64', 'Word', 'Word8', 'Word16', 'Word32', 'Word64',
--- 'Integer', 'Float', 'Double', 'Ratio', 'Complex', 'CShort', 'CUShort',
--- 'CInt', 'CUInt', 'CLong', 'CULong', 'CLLong', 'CULLong', 'CPtrdiff',
--- 'CSize', 'CSigAtomic', 'CIntPtr', 'CUIntPtr', 'CIntMax', 'CUIntMax',
--- 'CClock', 'CTime', 'CUSeconds', 'CSUSeconds', 'CFloat', 'CDouble', '(->)',
--- 'IO', 'Maybe', '()', '[]', 'Ordering', 'Any', 'All', 'Last', 'First', 'Sum',
--- 'Product', 'Endo', 'Dual', and tuples.
     Default(..)
 ) where
 
diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,26 +1,30 @@
-Copyright (c) 2013 Lukas Mai
+Copyright (c) 2013, Lukas Mai
 
 All rights reserved.
 
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
 
-* Redistributions of source code must retain the above copyright notice, this
-  list of conditions and the following disclaimer.
-* Redistributions in binary form must reproduce the above copyright notice,
-  this list of conditions and the following disclaimer in the documentation
-  and/or other materials provided with the distribution.
-* Neither the name of the author nor the names of his contributors
-  may be used to endorse or promote products derived from this software
-  without specific prior written permission.
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
 
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE
-FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Lukas Mai nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/data-default-class.cabal b/data-default-class.cabal
--- a/data-default-class.cabal
+++ b/data-default-class.cabal
@@ -1,21 +1,23 @@
-Name:            data-default-class
-Version:         0.1.2.0
-Cabal-Version:   >= 1.6
-Category:        Data
-Synopsis:        A class for types with a default value
-Build-Type:      Simple
-License:         BSD3
-License-File:    LICENSE
-Author:          Lukas Mai
-Maintainer:      <l.mai@web.de>
+cabal-version:   3.0
+name:            data-default-class
+version:         0.1.2.1
+category:        Data
+synopsis:        A class for types with a default value
+build-type:      Simple
+license:         BSD-3-Clause
+license-file:    LICENSE
+copyright:       (c) 2013 Lukas Mai
+author:          Lukas Mai
+maintainer:      <lukasmai.403+hackage@gmail.com>
 
 source-repository head
-  type: git
-  location: https://github.com/mauke/data-default
+    type: git
+    location: https://github.com/mauke/data-default
 
-Library
-  Build-Depends:     base >=2 && <5
-  if impl(ghc == 7.4.*)
-    -- for GHC.Generics
-    Build-Depends:   ghc-prim
-  Exposed-Modules:   Data.Default.Class
+library
+    build-depends:     base >=2 && <5
+    if impl(ghc == 7.4.*)
+        -- for GHC.Generics
+        build-depends:     ghc-prim
+    exposed-modules:   Data.Default.Class
+    default-language:  Haskell98
