The recent 5.1.20 update included the ability to set hyphen distances in the Properties, for any selected run of hyphens. (In Engrave mode.)
I find myself using this so often to fix little annoyances. For instance, the very slight difference between centred and left-justified syllables causes a very different fall of hyphens between the Tenor and Bass part.
It may well be that my Engraving Options aren’t optimal, but at this stage, changing them might re-flow everything. (and who knows whether some other run of hyphens might be adversely affected.) So, a quick click on the Properties, and bingo:
