def ScenarioStep(Stage, Step, Description):
    """
	Return a comment string for TBGen scenario describing a new Step.
	"""
    return (
        """
GPIO COMMENT  "---------------------------------------------"
GPIO COMMENT  "# {Stage}.{Step} {Desc}"
GPIO COMMENT  "---------------------------------------------" """
        .format(Stage=Stage, Step=Step, Desc=Description.replace('\n', ' / ')))
