I would have thought if was the "xx" one he would have made sure that it was spelled right in the credits but you never know.

Out of interest, the song in question was collected from Tom Sykes Daniel, a weaver from Batley, Yorkshire. In the film the line "I know I can guttle, when I hear my shuttle go poverty, poverty, knock." Is sung incorrectly. Whether that helps or hinders, I have no idea!