Fix keywords

Author: purcell

psci.el

@@ -6,7 +6,7 @@
 ;; Maintainer: Antoine R. Dumont <eniotna.t AT gmail.com>
 ;; Version: 0.0.6
 ;; Package-Requires: ((purescript-mode "13.10") (dash "2.9.0") (s "1.9.0") (f "0.17.1"))
-;; Keywords: purescript psci repl major mode
+;; Keywords: languages purescript psci repl
 ;; URL: https://github.com/purescript-emacs/emacs-psci
 
 ;; This file is NOT part of GNU Emacs.