README.md in valid_email2-3.2.2 vs README.md in valid_email2-3.2.3

@@ -2,10 +2,10 @@
 [![Build Status](https://travis-ci.org/micke/valid_email2.svg?branch=master)](https://travis-ci.org/micke/valid_email2)
 [![Gem Version](https://badge.fury.io/rb/valid_email2.png)](http://badge.fury.io/rb/valid_email2)
 
 Validate emails with the help of the `mail` gem instead of some clunky regexp.
 Aditionally validate that the domain has a MX record.
-Optionally validate against a static [list of disposable email services](config/disposable_email_domains.yml).
+Optionally validate against a static [list of disposable email services](config/disposable_email_domains.txt).
 Optionally validate that the email is not subaddressed ([RFC5233](https://tools.ietf.org/html/rfc5233)).
 
 ### Why?
 
 There are lots of other gems and libraries that validates email addresses but most of them use some clunky regexp.