user should create root folder

doc/metamodel.txt

@@ -29,8 +29,8 @@ First, you need a panthogen plugin properly installed to your vim. You can
 find more about panthogen here:
 http://www.vim.org/scripts/script.php?script_id=2332
 
-After that, copy the entire metamodel.vim folder to ~/.vim/bundle, keeping
-it's internal structure.
+After that, copy the entire repository to a folder called "metamodel.vim"
+in ~/.vim/bundle, keeping it's internal structure.
 
 Enjoy.