diff --git a/Data/Text/ICU/Collate/Pure.hs b/Data/Text/ICU/Collate/Pure.hs
--- a/Data/Text/ICU/Collate/Pure.hs
+++ b/Data/Text/ICU/Collate/Pure.hs
@@ -27,8 +27,6 @@
     , uca
     ) where
 
-#include <unicode/ucol.h>
-
 import Data.ByteString (ByteString)
 import Data.Text (Text)
 import Data.Text.ICU.Collate.Internal (Collator(..))
diff --git a/Data/Text/ICU/Normalize.hsc b/Data/Text/ICU/Normalize.hsc
--- a/Data/Text/ICU/Normalize.hsc
+++ b/Data/Text/ICU/Normalize.hsc
@@ -234,7 +234,7 @@
 -- | Perform an efficient check on a string, to quickly determine if
 -- the string is in a particular normalization form.
 --
--- A 'Nothing' result indicates that a certain answer could not be
+-- A 'Nothing' result indicates that a definite answer could not be
 -- determined quickly, and a more thorough check is required,
 -- e.g. with 'isNormalized'.  The user may have to convert the string
 -- to its normalized form and compare the results.
@@ -252,7 +252,7 @@
 -- Unlike 'quickCheck', this function returns a definitive result.
 -- For 'NFD', 'NFKD', and 'FCD' normalization forms, both functions
 -- work in exactly the same ways.  For 'NFC' and 'NFKC' forms, where
--- 'quickCheck' may return 'Perhaps', this function will perform
+-- 'quickCheck' may return 'Nothing', this function will perform
 -- further tests to arrive at a definitive result.
 isNormalized :: NormalizationMode -> Text -> Bool
 isNormalized mode t =
diff --git a/text-icu.cabal b/text-icu.cabal
--- a/text-icu.cabal
+++ b/text-icu.cabal
@@ -1,5 +1,5 @@
 name:           text-icu
-version:        0.4.0.0
+version:        0.4.0.1
 synopsis:       Bindings to the ICU library
 description:    Haskell bindings to the International Components for
                 Unicode (ICU) libraries.  These libraries provide