Update description of the zone.

        :type value: str
        :param value: (Optional) new description

        :raises: ValueError for invalid value types.

def description(self, value):
        """Update description of the zone.

        :type value: str
        :param value: (Optional) new description

        :raises: ValueError for invalid value types.
        """
        if not isinstance(value, six.string_types) and value is not None:
            raise ValueError("Pass a string, or None")
        self._properties["description"] = value