diff --git a/src/Text/XFormat/Common.hs b/src/Text/XFormat/Common.hs
index cd09729..cb5ec68 100644
--- a/src/Text/XFormat/Common.hs
+++ b/src/Text/XFormat/Common.hs
@@ -1,4 +1,19 @@
 
+--------------------------------------------------------------------------------
+-- |
+-- Module      :  Text.XFormat.Common
+-- Copyright   :  (c) 2009 Sean Leather
+-- License     :  BSD3
+--
+-- Maintainer  :  leather@cs.uu.nl
+-- Stability   :  experimental
+-- Portability :  non-portable
+--
+-- This module defines format descriptors for use with the modules
+-- "Text.XFormat.Read" and "Text.XFormat.Show". There is no need for this module
+-- to be exposed.
+--------------------------------------------------------------------------------
+
 module Text.XFormat.Common where
 
 data d1 :%: d2 = d1 :%: d2
diff --git a/src/Text/XFormat/Read.hs b/src/Text/XFormat/Read.hs
index a65d908..7060a89 100644
--- a/src/Text/XFormat/Read.hs
+++ b/src/Text/XFormat/Read.hs
@@ -8,14 +8,14 @@
 --------------------------------------------------------------------------------
 -- |
 -- Module      :  Text.XFormat.Read
--- Copyright   :  (c) Sean Leather
+-- Copyright   :  (c) 2009 Sean Leather
 -- License     :  BSD3
 --
 -- Maintainer  :  leather@cs.uu.nl
 -- Stability   :  experimental
 -- Portability :  non-portable
 --
--- This module defines a simple, extensible, type-indexed function for reading
+-- This module defines an extensible, type-indexed function for reading
 -- well-typed values from a string with a format descriptor. This may be
 -- considered a Haskell variant of the C @scanf@ function.
 --
diff --git a/src/Text/XFormat/Show.hs b/src/Text/XFormat/Show.hs
index ce1a770..6cee11a 100644
--- a/src/Text/XFormat/Show.hs
+++ b/src/Text/XFormat/Show.hs
@@ -9,14 +9,14 @@
 --------------------------------------------------------------------------------
 -- |
 -- Module      :  Text.XFormat.Show
--- Copyright   :  (c) Sean Leather
+-- Copyright   :  (c) 2009 Sean Leather
 -- License     :  BSD3
 --
 -- Maintainer  :  leather@cs.uu.nl
 -- Stability   :  experimental
 -- Portability :  non-portable
 --
--- This module defines a simple, extensible, type-indexed function for showing
+-- This module defines an extensible, type-indexed function for showing
 -- well-typed values with a format descriptor. This may be considered a Haskell
 -- variant of the C @printf@ function.
 --