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-rw-r--r--activerecord/lib/active_record/migration.rb3
1 files changed, 2 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb
index 62e8881c4c..3d71b784e7 100644
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -339,7 +339,8 @@ module ActiveRecord
# you can turn the automatic transactions off.
#
# class ChangeEnum < ActiveRecord::Migration
- # self.disable_ddl_transaction!
+ # disable_ddl_transaction!
+ #
# def up
# execute "ALTER TYPE model_size ADD VALUE 'new_value'"
# end