diff --git a/haskell/README.md b/haskell/README.md
new file mode 100644
index 0000000..e8cb455
--- /dev/null
+++ b/haskell/README.md
@@ -0,0 +1,4 @@
+
+# P2PRC Haskell library doc
+
+
diff --git a/haskell/lib/API.hs b/haskell/lib/API.hs
index 2fec7cc..361c519 100644
--- a/haskell/lib/API.hs
+++ b/haskell/lib/API.hs
@@ -1,6 +1,6 @@
 
 module API
-  ( P2prAPI(..)
+  ( P2PRCapi(..)
   , MapPortRequest(..)
   , getP2prcAPI
   )
@@ -32,7 +32,7 @@ import Environment  ( cleanEnvironment )
 
 
 
-data P2prAPI = MkP2prAPI
+data P2PRCapi = MkP2PRCapi
   { startServer       :: IOEitherError ProcessHandle
   , execInitConfig    :: IOEitherError P2prcConfig
   , execListServers   :: IOEitherError IPAdressTable
@@ -44,7 +44,7 @@ data MapPortRequest
   = MkMapPortRequest Int String
 
 
-getP2prcAPI :: IOEitherError P2prAPI
+getP2prcAPI :: IOEitherError P2PRCapi
 getP2prcAPI = do
 
   cleanEnvironment
@@ -64,23 +64,23 @@ getP2prcAPI = do
 
       in do
 
-      Right $ MkP2prAPI
+      Right $ MkP2PRCapi
         { startServer = spawnProcP2Prc p2prcCmd [ MkOptAtomic "--s" ]
 
         , execListServers =
           execProcP2PrcParser [ MkOptAtomic "--ls" ] MkEmptyStdInput
 
         , execMapPort =
-          \ (MkMapPortRequest portNumber _) ->
+          \ (MkMapPortRequest portNumber domainName) ->
             execProcP2PrcParser
               [ MkOptTuple
                 ( "--mp"
                 , show portNumber
                 )
-              -- , MkOptTuple -- TODO: add domain parameter
-              --   ( "--dm"
-              --   , domainName
-              --   )
+                , MkOptTuple
+                ( "--dn"
+                , domainName
+                )
               ]
               MkEmptyStdInput
 
diff --git a/haskell/lib/P2Prc.hs b/haskell/lib/P2Prc.hs
index 2970ff3..9b710f4 100644
--- a/haskell/lib/P2Prc.hs
+++ b/haskell/lib/P2Prc.hs
@@ -7,8 +7,8 @@ import System.Process ( terminateProcess )
 import Control.Concurrent ( threadDelay )
 
 import API
-  ( P2prAPI(..)
-  , MapPortRequest(..)
+  ( P2PRCapi(..)
+  , MapPortRequest(MkMapPortRequest)
   , getP2prcAPI
   )
 
@@ -37,13 +37,14 @@ import API
 runP2Prc :: IO ()
 runP2Prc = do
 
-
+  --
+  -- TODO: add quickcheck testing (quickchecking-dynamic)
   --
   -- TODO: Change Standard Library
   -- TODO: add GDTA syntax to data types
+  --
   -- TODO: need monad transformers to refactor the code
   --
-  -- TODO: add quickcheck testing (quickchecking-dynamic)
   --
   -- TODO: parse IO arguments;
     -- TODO: create DSL from the standard input
@@ -68,7 +69,7 @@ runP2Prc = do
   case eitherP2prcAPI of
     (Right p2prcAPI) -> do
       let
-        ( MkP2prAPI
+        ( MkP2PRCapi
           { startServer     = startServer
           , execInitConfig  = execInitConfig
           , execListServers = execListServers
diff --git a/haskell/p2prc.cabal b/haskell/p2prc.cabal
index d5b8f8a..db05be8 100644
--- a/haskell/p2prc.cabal
+++ b/haskell/p2prc.cabal
@@ -1,13 +1,7 @@
 cabal-version:      3.0
 
-
---   http://haskell.org/cabal/users-guide/
-
--- The name of the package.
 name:         p2prc
 
-
--- The package version.
 -- See the Haskell package versioning policy (PVP) for standards
 -- guiding when and how versions should be incremented.
 -- https://pvp.haskell.org
@@ -16,59 +10,43 @@ name:         p2prc
 --                  | | | +--- code changes with no API change
 version:            0.1.0.0
 
--- A short (one-line) description of the package.
 synopsis: p2prc haskell library
 
--- A longer description of the package.
-description: Implements a client interface to the P2Prc networking runtime
+description: Implements a client interface to the P2PRC networking runtime
 
--- The license under which the package is released.
 license:            GPL-3.0-only
 
--- The file containing the license text.
 license-file:       LICENSE
 
--- The package author(s).
 author:             xecarlox94
 
--- An email address to which users can send suggestions, bug reports, and patches.
 maintainer:         jf94.uk@gmail.com
 
--- A copyright notice.
--- copyright:
 category:           Network
 build-type:         Simple
 
--- Extra doc files to be distributed with the package, such as a CHANGELOG or a README.
-extra-doc-files:    CHANGELOG.md
+extra-doc-files:    README.md
 
--- Extra source files to be distributed with the package, such as examples, or a tutorial module.
--- extra-source-files:
 
 common warnings
     ghc-options: -Wall
 
 executable p2prc
-    -- Import common warning flags.
+
     import:           warnings
 
-    -- Directories containing source files.
     hs-source-dirs:   src
 
-    -- .hs or .lhs file containing the Main module.
     main-is:          Main.hs
 
     -- Modules included in this executable, other than Main.
     -- other-modules:    Example
 
-    -- LANGUAGE extensions used by modules in this package.
     other-extensions: OverloadedStrings
 
-    -- Other library packages from which modules are imported.
     build-depends:      base
                       , p2prc
 
-    -- Base language which the package is written in.
     default-language: GHC2021
 
 library
diff --git a/haskell/src/Main.hs b/haskell/src/Main.hs
index 33b16b7..55d6b1d 100644
--- a/haskell/src/Main.hs
+++ b/haskell/src/Main.hs
@@ -1,5 +1,4 @@
 
-
 module Main where
 
 import P2Prc (runP2Prc)