diff --git a/Data/Conduit/Process.hs b/Data/Conduit/Process.hs
--- a/Data/Conduit/Process.hs
+++ b/Data/Conduit/Process.hs
@@ -1,9 +1,9 @@
 module Data.Conduit.Process (
-  -- * run process
+  -- * Run process
   sourceProcess,
   conduitProcess,
   
-  -- * run command
+  -- * Run shell command
   sourceCmd,
   conduitCmd,
   
@@ -30,9 +30,11 @@
 bufSize :: Int
 bufSize = 64 * 1024
 
+-- | Source of process
 sourceProcess :: C.ResourceIO m => CreateProcess -> C.Source m B.ByteString
 sourceProcess cp = CL.sourceNull C.$= conduitProcess cp
 
+-- | Conduit of process
 conduitProcess :: C.ResourceIO m => CreateProcess -> C.Conduit B.ByteString m B.ByteString
 conduitProcess cp = C.conduitIO alloc cleanup push close
   where
@@ -73,9 +75,11 @@
               str <- B.hGetContents cout
               return [str]
 
+-- | Source of shell command
 sourceCmd :: C.ResourceIO m => String -> C.Source m B.ByteString
 sourceCmd cmd = CL.sourceNull C.$= conduitCmd cmd
 
+-- | Conduit of shell command
 conduitCmd :: C.ResourceIO m
               => String
               -> C.Conduit B.ByteString m B.ByteString
diff --git a/System/Process/QQ.hs b/System/Process/QQ.hs
--- a/System/Process/QQ.hs
+++ b/System/Process/QQ.hs
@@ -1,6 +1,7 @@
 {-# LANGUAGE TemplateHaskell #-}
 
 module System.Process.QQ (
+  -- * Quasi Quoters
   cmd,
   scmd,
   ccmd,
@@ -24,13 +25,16 @@
   , quoteDec  = undefined
   }
 
+-- | Command result of (Lazy) ByteString.
 cmd :: QuasiQuoter
 cmd = def { quoteExp = \str -> [|
   BL.fromChunks <$> C.runResourceT (sourceCmd (LT.unpack $(quoteExp lt str)) C.$$ CL.consume)
 |] }
 
+-- | Source of shell command
 scmd :: QuasiQuoter
 scmd = def { quoteExp = \str -> [| sourceCmd $(quoteExp lt str) |] }
 
+-- | Conduit of shell command
 ccmd :: QuasiQuoter
 ccmd = def { quoteExp = \str -> [| conduitCmd $(quoteExp lt str) |] }
diff --git a/process-conduit.cabal b/process-conduit.cabal
--- a/process-conduit.cabal
+++ b/process-conduit.cabal
@@ -1,7 +1,11 @@
 Name:                process-conduit
-Version:             0.0.3
-Synopsis:            Conduit for process
-Description:         Conduit for process
+Version:             0.0.4
+Synopsis:            Conduits for processes
+
+Description:
+  Conduits for processes.
+  For more details: <https://github.com/tanakh/process-conduit/blob/master/README.md>
+
 Homepage:            http://github.com/tanakh/process-conduit
 License:             BSD3
 License-file:        LICENSE