Original sentence: In 1537, two lay choristers organised 'the most serious plot hatched anywhere south of the Trent', according to Geoffrey Elton, intended to resist what they feared, rightly as it turned out, would happen to their foundation
Edited sentence: In 1537, two lay choristers organised 'the most serious plot hatched anywhere south of the Trent', , intended to resist what they feared, rightly as it turned out, would happen to their foundation