Added note about installation on arch

README.rst

@@ -53,6 +53,9 @@ in your jedi-vim repository.
 The autocompletion can be used with <ctrl+space>, if you want it to work with
 <tab> you can use `supertab <https://github.com/ervandew/supertab>`_.
 
+On Arch Linux, you can also install jedi-vim from AUR: `vim-jedi
+<https://aur.archlinux.org/packages/vim-jedi/>`__.
+
 
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