Update Title and Author for the www.railstutorial.org free e-book (#2154)

free-programming-books.md

@@ -1967,7 +1967,7 @@ For resources on Angular, Backbone, D3, Dojo, Ember, Express, jQuery, Knockout,
 * [Ruby on Rails 3.2 - Step by Step](http://www.xyzpub.com/en/ruby-on-rails/3.2/)
 * [Ruby on Rails 4.0 Guide](http://www.xyzpub.com/en/ruby-on-rails/4.0/)
 * [Ruby on Rails Guides](http://guides.rubyonrails.org)
-* [Ruby on Rails Tutorial: Learn Rails By Example](https://www.railstutorial.org/book/)
+* [Ruby on Rails Tutorial (Rails 5): Learn Web Development with Rails](https://www.railstutorial.org/book) - [Michael Hartl](http://www.michaelhartl.com)
 * [Upgrading to Rails 4](https://github.com/alindeman/upgradingtorails4)