rails--rails/activemodel/lib/active_model/locale/en.yml

en:
  activemodel:
    errors:
      # model.errors.full_messages format.
      format: "{{attribute}} {{message}}"

      # The values :model, :attribute and :value are always available for interpolation
      # The value :count is available when applicable. Can be used for pluralization.
      messages:
        inclusion: "is not included in the list"
        exclusion: "is reserved"
        invalid: "is invalid"
        confirmation: "doesn't match confirmation"
        accepted: "must be accepted"
        empty: "can't be empty"
        blank: "can't be blank"
        too_long: "is too long (maximum is {{count}} characters)"
        too_short: "is too short (minimum is {{count}} characters)"
        wrong_length: "is the wrong length (should be {{count}} characters)"
        not_a_number: "is not a number"
        greater_than: "must be greater than {{count}}"
        greater_than_or_equal_to: "must be greater than or equal to {{count}}"
        equal_to: "must be equal to {{count}}"
        less_than: "must be less than {{count}}"
        less_than_or_equal_to: "must be less than or equal to {{count}}"
        odd: "must be odd"
        even: "must be even"