README.md in nutrella-1.3.1 vs README.md in nutrella-1.4.0

@@ -27,10 +27,10 @@
     $ nutrella
 
 **Step 3**: Get key and secret (best to do this from your home directory)
 
     $ cd ~
-    $ irb -rubygems
+    $ irb -r rubygems
     irb> require 'nutrella'
     irb> Nutrella.open_public_key_url
 
 Insert your `key` and `secret` into your `~/.nutrella.yml` file.