README.md in philosophies-suspenders-2.1.2 vs README.md in philosophies-suspenders-2.2.0

- old
+ new

@@ -50,10 +50,10 @@
   taking too long
 * [Simple Form](https://github.com/plataformatec/simple_form) for form markup
   and style
 * [Title](https://github.com/calebthompson/title) for storing titles in
   translations
-* [Unicorn](https://github.com/defunkt/unicorn) to serve HTTP requests
+* [Puma](http://puma.io) to serve HTTP requests
 * [rails_12factor](https://github.com/heroku/rails_12factor) for easier Heroku
   deploys
 
 And development gems like:
 