Change generated code to replace faulty comment

railties/lib/generators/rails/app/templates/config/initializers/session_store.rb.tt

@@ -7,4 +7,4 @@ Rails.application.config.session_store :cookie_store, {
 # Use the database for sessions instead of the cookie-based default,
 # which shouldn't be used to store highly confidential information
 # (create the session table with "rake db:sessions:create")
-# Rails.application.config.action_dispatch.session_store = :active_record_store
+# Rails.application.config.session_store :active_record_store

railties/test/application/paths_test.rb

@@ -12,7 +12,7 @@ def setup
       add_to_config <<-RUBY
         config.root = "#{app_path}"
         config.after_initialize do |app|
-          app.config.action_dispatch.session_store = nil
+          app.config.session_store nil
         end
       RUBY
       use_frameworks [:action_controller, :action_view, :action_mailer, :active_record]