Does the Wrathful Smite spell end with a Wisdo…

Does the Wrathful Smite spell end with a Wisdom check it a save?

@JeremyECrawford does the Wrathful Smite spell end with a Wisdom check it a save? My friend homeruled it to be a save, But it says this: “ a creature can use it’s action to make a wisdom check to steel its resolve and end the spell”.