demo_app/my_platform/db/migrate/20170608210329_add_description_and_key_to_betas.your_platform.rb
# This migration comes from your_platform (originally 20170608204307)
class AddDescriptionAndKeyToBetas < ActiveRecord::Migration[4.2]
def change
add_column :betas, :description, :text
add_column :betas, :key, :string
end
end