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-rw-r--r--railties/lib/rails/generators/rails/app/templates/config/initializers/cookies_serializer.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/railties/lib/rails/generators/rails/app/templates/config/initializers/cookies_serializer.rb b/railties/lib/rails/generators/rails/app/templates/config/initializers/cookies_serializer.rb
index 7f70458dee..5a6a32d371 100644
--- a/railties/lib/rails/generators/rails/app/templates/config/initializers/cookies_serializer.rb
+++ b/railties/lib/rails/generators/rails/app/templates/config/initializers/cookies_serializer.rb
@@ -1,3 +1,5 @@
# Be sure to restart your server when you modify this file.
+# Specify a serializer for the signed and encrypted cookie jars.
+# Valid options are :json, :marshal, and :hybrid.
Rails.application.config.action_dispatch.cookies_serializer = :json