Updated Readme to use vagrant plugin instead of vagrant gem

diff --git a/README.md b/README.md
index 9b4ecc3..4e5c1e4 100644 (file)
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ It is a simple 3 step process
 
 ### Add gem in your vagrant
 
-    $ vagrant gem install copy_my_conf
+    $ vagrant plugin install copy_my_conf
 
 ### Add provisioner in your Vagrantfile