test/dummy/app/models/authorship.rb in paper_trail-4.2.0 vs test/dummy/app/models/authorship.rb in paper_trail-5.0.0

@@ -1,5 +1,5 @@
 class Authorship < ActiveRecord::Base
   belongs_to :book
-  belongs_to :person
+  belongs_to :author, class_name: "Person"
   has_paper_trail
 end