diff --git a/HTTP.cabal b/HTTP.cabal
--- a/HTTP.cabal
+++ b/HTTP.cabal
@@ -1,6 +1,6 @@
 Cabal-Version: >= 1.10
 Name: HTTP
-Version: 4000.4.0
+Version: 4000.4.1
 Build-type: Simple
 License: BSD3
 License-file: LICENSE
@@ -118,7 +118,7 @@
         -- transformers-0.2.0.0 is the first to have Control.Monad.IO.Class
     -- The following dependencies are refined by flags, but they should
     -- still be mentioned here on the top-level.
-    , mtl           >= 2.0.0.0   && < 2.3
+    , mtl           >= 2.0.0.0   && < 2.4
     , network       >= 2.4       && < 3.2
 
   default-language: Haskell98
diff --git a/Network/Browser.hs b/Network/Browser.hs
--- a/Network/Browser.hs
+++ b/Network/Browser.hs
@@ -307,7 +307,7 @@
 getAllowBasicAuth = gets bsAllowBasicAuth
 
 -- | @setMaxAuthAttempts mbMax@ sets the maximum number of authentication attempts
--- to do. If @Nothing@, rever to default max.
+-- to do. If @Nothing@, revert to default max.
 setMaxAuthAttempts :: Maybe Int -> BrowserAction t ()
 setMaxAuthAttempts mb
  | fromMaybe 0 mb < 0 = return ()
@@ -515,7 +515,7 @@
 getAllowRedirects :: BrowserAction t Bool
 getAllowRedirects = gets bsAllowRedirects
 
--- | @setMaxRedirects maxCount@ sets the maxiumum number of forwarding hops
+-- | @setMaxRedirects maxCount@ sets the maximum number of forwarding hops
 -- we are willing to jump through. A no-op if the count is negative; if zero,
 -- the max is set to whatever default applies. Notice that setting the max
 -- redirects count does /not/ enable following of redirects itself; use
@@ -600,7 +600,7 @@
 -- A common form of user agent string is @\"name\/version (details)\"@. For
 -- example @\"cabal-install/0.10.2 (HTTP 4000.1.2)\"@. Including the version
 -- of this HTTP package can be helpful if you ever need to track down HTTP
--- compatability quirks. This version is available via 'httpPackageVersion'.
+-- compatibility quirks. This version is available via 'httpPackageVersion'.
 -- For more info see <http://en.wikipedia.org/wiki/User_agent>.
 --
 setUserAgent :: String -> BrowserAction t ()
diff --git a/Network/HTTP/Base.hs b/Network/HTTP/Base.hs
--- a/Network/HTTP/Base.hs
+++ b/Network/HTTP/Base.hs
@@ -332,7 +332,7 @@
 type ResponseData  = (ResponseCode,String,[Header])
 
 -- | @RequestData@ contains the head of a HTTP request; method,
--- its URL along with the auxillary/supporting header data.
+-- its URL along with the auxiliary/supporting header data.
 type RequestData   = (RequestMethod,URI,[Header])
 
 -- | An HTTP Response.
diff --git a/Network/HTTP/MD5Aux.hs b/Network/HTTP/MD5Aux.hs
--- a/Network/HTTP/MD5Aux.hs
+++ b/Network/HTTP/MD5Aux.hs
@@ -106,7 +106,7 @@
 md5 m = md5_main False 0 magic_numbers m
 
 
--- Returns a hex number ala the md5sum program
+-- Returns a hex number à la md5sum program
 
 md5s :: (MD5 a) => a -> String
 md5s = abcd_to_string . md5
diff --git a/Network/StreamSocket.hs b/Network/StreamSocket.hs
--- a/Network/StreamSocket.hs
+++ b/Network/StreamSocket.hs
@@ -17,7 +17,7 @@
 --      - Created separate module for instance Stream Socket.
 --
 -- * Changes by Simon Foster:
---      - Split module up into to sepearate Network.[Stream,TCP,HTTP] modules
+--      - Split module up into to separate Network.[Stream,TCP,HTTP] modules
 --
 -----------------------------------------------------------------------------
 module Network.StreamSocket
diff --git a/test/httpTests.hs b/test/httpTests.hs
--- a/test/httpTests.hs
+++ b/test/httpTests.hs
@@ -147,7 +147,7 @@
       return (take 100 (rspBody rsp))
   assertEqual "Receiving expected response" (take 100 haskellOrgText) result
 
--- A vanilla HTTP request using Browser shouln't send a cookie header
+-- A vanilla HTTP request using Browser shouldn't send a cookie header
 browserNoCookie :: (?testUrl :: ServerAddress) => Assertion
 browserNoCookie = do
   (_, response) <- browse $ do