diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,4 @@
-2013-05-XX v2.0.0
+2013-05-21 v2.0.0
 	* ghc-mod also provides a library (Language.Haskell.GhcMod)
 
 2013-05-13 v1.12.5
diff --git a/elisp/ghc-pkg.el b/elisp/ghc-pkg.el
new file mode 100644
--- /dev/null
+++ b/elisp/ghc-pkg.el
@@ -0,0 +1,5 @@
+(define-package
+  "ghc"
+  2.0.0
+  "Sub mode for Haskell mode"
+  nil)
diff --git a/ghc-mod.cabal b/ghc-mod.cabal
--- a/ghc-mod.cabal
+++ b/ghc-mod.cabal
@@ -1,30 +1,28 @@
 Name:                   ghc-mod
-Version:                2.0.0
+Version:                2.0.1
 Author:                 Kazu Yamamoto <kazu@iij.ad.jp>
 Maintainer:             Kazu Yamamoto <kazu@iij.ad.jp>
 License:                BSD3
 License-File:           LICENSE
 Homepage:               http://www.mew.org/~kazu/proj/ghc-mod/
-Synopsis:               Happy Haskell programming on Emacs/Vim
-Description:            This packages includes Elisp files
-			and a Haskell command, "ghc-mod".
-			"ghc*.el" enable completion of
-			Haskell symbols on Emacs.
-                        Flymake is also integrated.
-			"ghc-mod" is a backend of "ghc*.el".
-			It lists up all installed modules
-                        or extracts names of functions, classes,
-                        and data declarations.
-                        To use "ghc-mod" on Vim,
-                        see <https://github.com/eagletmt/ghcmod-vim> or
-                        <https://github.com/scrooloose/syntastic>
+Synopsis:               Happy Haskell Programming
+Description:            The ghc-mod command is a backend command to enrich
+                        Haskell programming on editors including
+                        Emacs, Vim, and Sublime.
+                        The ghc-mod command is based on ghc-mod library
+                        which is a wrapper of GHC API.
+                        This package includes the ghc-mod command,
+                        the ghc-mod library, and "Emacs front-end
+                        (for historical reasons).
+                        For more information, please see ts home page.
+
 Category:               Development
 Cabal-Version:          >= 1.10
 Build-Type:             Simple
 Data-Dir:               elisp
 Data-Files:             Makefile ghc.el ghc-func.el ghc-doc.el ghc-comp.el
                         ghc-flymake.el ghc-command.el ghc-info.el
-                        ghc-ins-mod.el ghc-indent.el
+                        ghc-ins-mod.el ghc-indent.el ghc-pkg.el
 Extra-Source-Files:     ChangeLog
 			test/data/*.cabal
                         test/data/*.hs