diff --git a/Data/Default/Class.hs b/Data/Default/Class.hs
--- a/Data/Default/Class.hs
+++ b/Data/Default/Class.hs
@@ -43,7 +43,7 @@
 
 {-|
 Module      : Data.Default.Class
-Description : Defines a class for types with a default value.
+Description : 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',
diff --git a/data-default-class.cabal b/data-default-class.cabal
--- a/data-default-class.cabal
+++ b/data-default-class.cabal
@@ -1,8 +1,18 @@
 cabal-version:   3.0
 name:            data-default-class
-version:         0.1.2.1
+version:         0.1.2.2
 category:        Data
 synopsis:        A class for types with a default value
+description:
+    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.
 build-type:      Simple
 license:         BSD-3-Clause
 license-file:    LICENSE
@@ -18,6 +28,6 @@
     build-depends:     base >=2 && <5
     if impl(ghc == 7.4.*)
         -- for GHC.Generics
-        build-depends:     ghc-prim
+        build-depends:     ghc-prim ^>=0.2
     exposed-modules:   Data.Default.Class
     default-language:  Haskell98