diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+0.1.3
+=====
+
+*   Improved documentation
+
 0.1.2
 =====
 
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+[![Build Status](https://travis-ci.org/alephcloud/wai-cors.svg?branch=master)](https://travis-ci.org/alephcloud/wai-cors)
+
 Cross-Origin Resource Sharing (CORS) For Wai
 ============================================
 
diff --git a/constraints b/constraints
--- a/constraints
+++ b/constraints
@@ -1,55 +1,56 @@
-constraints: MonadRandom == 0.1.13
-           , array == 0.5.0.0
-           , attoparsec == 0.11.3.4
-           , base == 4.7.0.0
-           , base-unicode-symbols == 0.2.2.4
-           , blaze-builder == 0.3.3.2
-           , bytestring == 0.10.4.0
-           , case-insensitive == 1.2.0.0
-           , charset == 0.3.7
-           , comonad == 4.2
-           , conduit == 1.1.2.1
-           , conduit-extra == 1.1.0.3
-           , containers == 0.5.5.1
-           , contravariant == 0.5.1
-           , deepseq == 1.3.0.2
-           , directory == 1.2.1.0
-           , distributive == 0.4.3.2
-           , either == 4.1.2
-           , errors == 1.4.7
-           , exceptions == 0.6.1
-           , filepath == 1.3.0.2
-           , ghc-prim == 0.3.1.0
-           , hashable == 1.2.2.0
-           , http-types == 0.8.4
-           , integer-gmp == 0.5.1.0
-           , lifted-base == 0.2.2.2
-           , mmorph == 1.0.3
-           , monad-control == 0.3.3.0
-           , mtl == 2.1.3.1
-           , nats == 0.2
-           , network == 2.5.0.0
-           , old-locale == 1.0.0.6
-           , parsec == 3.1.5
-           , parsers == 0.11.0.1
-           , primitive == 0.5.3.0
-           , random == 1.0.1.1
-           , resourcet == 1.1.2.2
-           , rts == 1.0
-           , safe == 0.3.4
-           , scientific == 0.3.2.0
-           , semigroupoids == 4.0.2
-           , semigroups == 0.14
-           , streaming-commons == 0.1.2.4
-           , tagged == 0.7.2
-           , text == 1.1.1.2
-           , time == 1.4.2
-           , transformers == 0.3.0.0
-           , transformers-base == 0.4.2
-           , transformers-compat == 0.1.1.1
-           , unix == 2.7.0.1
-           , unordered-containers == 0.2.4.0
-           , vault == 0.3.0.3
-           , void == 0.6.1
-           , wai == 2.1.0.2
-           , zlib == 0.5.4.1
+constraints: MonadRandom ==0.1.13,
+             array ==0.5.0.0,
+             attoparsec ==0.11.3.4,
+             base ==4.7.0.0,
+             base-unicode-symbols ==0.2.2.4,
+             blaze-builder ==0.3.3.2,
+             bytestring ==0.10.4.0,
+             case-insensitive ==1.2.0.0,
+             charset ==0.3.7,
+             comonad ==4.2,
+             conduit ==1.1.2.1,
+             conduit-extra ==1.1.0.3,
+             containers ==0.5.5.1,
+             contravariant ==0.5.1,
+             deepseq ==1.3.0.2,
+             directory ==1.2.1.0,
+             distributive ==0.4.3.2,
+             either ==4.1.2,
+             errors ==1.4.7,
+             exceptions ==0.6.1,
+             filepath ==1.3.0.2,
+             ghc-prim ==0.3.1.0,
+             hashable ==1.2.2.0,
+             http-types ==0.8.4,
+             integer-gmp ==0.5.1.0,
+             lifted-base ==0.2.2.2,
+             mmorph ==1.0.3,
+             monad-control ==0.3.3.0,
+             mtl ==2.1.3.1,
+             nats ==0.2,
+             network ==2.5.0.0,
+             old-locale ==1.0.0.6,
+             parsec ==3.1.5,
+             parsers ==0.11.0.1,
+             primitive ==0.5.3.0,
+             random ==1.0.1.1,
+             resourcet ==1.1.2.2,
+             rts ==1.0,
+             safe ==0.3.4,
+             scientific ==0.3.2.0,
+             semigroupoids ==4.0.2,
+             semigroups ==0.14,
+             streaming-commons ==0.1.2.4,
+             tagged ==0.7.2,
+             text ==1.1.1.2,
+             time ==1.4.2,
+             transformers ==0.3.0.0,
+             transformers-base ==0.4.2,
+             transformers-compat ==0.1.1.1,
+             unix ==2.7.0.1,
+             unordered-containers ==0.2.4.0,
+             vault ==0.3.0.3,
+             void ==0.6.1,
+             wai ==2.1.0.2,
+             wai-cors ==0.1.3,
+             zlib ==0.5.4.1
diff --git a/src/Network/Wai/Middleware/Cors.hs b/src/Network/Wai/Middleware/Cors.hs
--- a/src/Network/Wai/Middleware/Cors.hs
+++ b/src/Network/Wai/Middleware/Cors.hs
@@ -14,6 +14,26 @@
 -- | An implemenation of Cross-Origin resource sharing (CORS) for WAI that
 -- aims to be compliant with <http://www.w3.org/TR/cors>.
 --
+-- The function 'simpleCors' enables support of simple cross-origin requests.
+--
+-- The following is an example how to enable support for simple cross-origin requests
+-- for a <http://hackage.haskell.org/package/scotty scotty> application.
+--
+-- > {-# LANGUAGE UnicodeSyntax #-}
+-- > {-# LANGUAGE OverloadedStrings #-}
+-- >
+-- > module Main
+-- > ( main
+-- > ) where
+-- >
+-- > import Network.Wai.Middleware.Cors
+-- > import Web.Scotty
+-- >
+-- > main ∷ IO ()
+-- > main = scotty 8080 $ do
+-- >     middleware simpleCors
+-- >     matchAny  "/" $ text "Success"
+--
 module Network.Wai.Middleware.Cors
 ( Origin
 , CorsResourcePolicy(..)
@@ -176,10 +196,10 @@
 -- for the HTTP response headers @Access-Control-Allow-Headers@ and
 -- @Access-Control-Allow-Methods@ all values specified in the
 -- 'CorsResourcePolicy' together with the respective values for simple requests
--- (except @content-type@). This does not imply that the respective values are
--- actually supported for the Resource by the application. Thus, depending on
--- the application, an actual request may still fail with 404 even if the
--- preflight request /supported/ the usage of the HTTP method with CORS.
+-- (except @content-type@). This does not imply that the application actually
+-- supports the respective values are for the requested resource. Thus,
+-- depending on the application, an actual request may still fail with 404 even
+-- if the preflight request /supported/ the usage of the HTTP method with CORS.
 --
 -- The implementation does not distinguish between simple requests and requests
 -- that require preflight. The client is free to omit a preflight request or do
@@ -190,9 +210,9 @@
 --
 -- /TODO/
 --
--- * We may consider adding enforcment aspects to this module: we may check if
---   a request respects our origin restrictions and we may check that a CORS
---   request respects the restrictions that we publish in the preflight
+-- * We may consider adding optional enforcment aspects to this module: we may
+--   check if a request respects our origin restrictions and we may check that a
+--   CORS request respects the restrictions that we publish in the preflight
 --   responses.
 --
 -- * Even though slightly out of scope we may (optionally) check if
@@ -200,9 +220,9 @@
 --   using CORS may expect this, since this check is recommended in
 --   <http://www.w3.org/TR/cors>.
 --
--- * We may consider integrating CORS policy handling more
---   closely with the handling of the source, for instance
---   by integrating with 'ActionM' from scotty.
+-- * We may consider integrating CORS policy handling more closely with the
+--   handling of the source, for instance by integrating with 'ActionM' from
+--   scotty.
 --
 cors
     ∷ (WAI.Request → Maybe CorsResourcePolicy) -- ^ A value of 'Nothing' indicates that the resource is not available for CORS
@@ -318,12 +338,13 @@
 -- | A CORS middleware that supports simple cross-origin requests for all
 -- resources.
 --
--- It does not check if the resource corresponds to the restrictions for
--- simple requests. This is in accordance with <http://www.w3.org/TR/cors/>.
--- The client (user-agent) is supposed to enforcement CORS policy. The
--- role of the server to provide the client with the respective policy constraints.
+-- This middleware does not check if the resource corresponds to the
+-- restrictions for simple requests. This is in accordance with
+-- <http://www.w3.org/TR/cors/>. The client (user-agent) is supposed to
+-- enforcement CORS policy. The role of the server is to provide the client
+-- with the respective policy constraints.
 --
--- It is out of the scope of the this middleware if the server chooses to
+-- It is out of the scope of the this module if the server chooses to
 -- enforce rules on its resources in relation to CORS policy itself.
 --
 simpleCors ∷ WAI.Middleware
@@ -397,7 +418,7 @@
 isSubsetOf ∷ Eq α ⇒ [α] → [α] → Bool
 isSubsetOf l1 l2 = intersect l1 l2 ≡ l1
 
--- Add HTTP headers to a WAI response
+-- | Add HTTP headers to a WAI response
 --
 addHeaders ∷ HTTP.ResponseHeaders → WAI.Response → ReqMonad WAI.Response
 addHeaders hdrs res = do
diff --git a/wai-cors.cabal b/wai-cors.cabal
--- a/wai-cors.cabal
+++ b/wai-cors.cabal
@@ -3,7 +3,7 @@
 -- ------------------------------------------------------ --
 
 Name: wai-cors
-Version: 0.1.2
+Version: 0.1.3
 Synopsis: CORS for WAI
 
 Description:
