diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Harmony
+# Harmony [![Hackage version](https://img.shields.io/hackage/v/harmony.svg?style=flat)](https://hackage.haskell.org/package/harmony) [![Build Status](https://secure.travis-ci.org/SantiMunin/harmony.svg?branch=master)](http://travis-ci.org/SantiMunin/harmony)
 Harmony is a web service specification compiler that generates implementation (server and client) and tests.
 
 ## Targets supported
@@ -8,6 +8,11 @@
 + Client (and [Hypothesis](https://github.com/DRMacIver/hypothesis) based tests)
   + Python (`-cpython`)
 
+## Installation
+
++ From Hackage: `cabal install harmony`
++ From source code: `git clone https://www.github.com/SantiMunin/harmony && cd harmony && cabal install`
+
 ## Usage
 
 After installing the package (`cabal install`), you will get the `harmony` executable. Afterwards:
@@ -17,7 +22,8 @@
       -s[SERVERS]     --server[=SERVERS]         Desired output for the server
       -o[OUTPUT_DIR]  --output_dir[=OUTPUT_DIR]  Output path
 
-Check the [Targets supported](#targets-supported) section to figure out the code related to each target.
+Check the [Targets supported](#targets-supported) section to figure out the code related to each target. Also, refer to the [wiki](https://github.com/SantiMunin/harmony/wiki) for more information.
+
 ## Syntax
 
 The input file should follow the syntax specified in `language_spec/Language.cf`. Example:
@@ -41,3 +47,7 @@
     }
 
     resource Person ("/person")
+
+## Contributing
+
+See the [wiki](https://github.com/SantiMunin/harmony/wiki).
diff --git a/harmony-commandline/Main.hs b/harmony-commandline/Main.hs
--- a/harmony-commandline/Main.hs
+++ b/harmony-commandline/Main.hs
@@ -28,11 +28,11 @@
 options = [ Option "c" ["client"]
                    (OptArg (\c options -> options { generationFunctions = parseClient c:generationFunctions options})
                            "CLIENTS")
-                   "Desired output for the client"
+                   "Desired output for the client: {-cpython}"
           , Option "s" ["server"]
                    (OptArg (\s options -> options { generationFunctions = parseServer s:generationFunctions options})
                            "SERVERS")
-                   "Desired output for the server"
+                   "Desired output for the server: {-sjs}"
           , Option "o" ["output_dir"]
                    (OptArg (\dir options -> options { outputDir = fromJust dir })
                            "OUTPUT_DIR")
diff --git a/harmony.cabal b/harmony.cabal
--- a/harmony.cabal
+++ b/harmony.cabal
@@ -6,7 +6,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             0.1.0.0
+version:             0.1.0.1
 
 synopsis:            A web service specification compiler that generates implementation and tests.
 
@@ -42,7 +42,7 @@
 
 library
 
-  build-depends:       base >=4.7 && <4.8
+  build-depends:       base >= 4.6 && < 5
                      , array
                      , containers
                      , BNFC
@@ -85,7 +85,7 @@
 
   main-is:             Main.hs
 
-  build-depends:       base >= 4.7 && < 4.8
+  build-depends:       base >= 4.6 && < 5
                      , harmony
 
   default-language:    Haskell2010
@@ -100,7 +100,7 @@
 
   main-is:             Spec.hs
 
-  build-depends:       base >= 4.7 && < 4.8
+  build-depends:       base >= 4.7 && < 5
                      , containers
                      , hspec >= 2.0
                      , QuickCheck
@@ -112,7 +112,7 @@
   default-language:    Haskell2010
 
 test-suite hlint
-  build-depends:       base >= 4.7 && < 4.8
+  build-depends:       base >= 4.6 && < 5
                      , hlint
 
   ghc-options:         -Wall -fno-warn-name-shadowing -fno-warn-unused-do-bind