"

 This is wrong 

""Change in playoff format

The play-off system was slightly altered - the fourth-bottom team in the First Division would no longer be relegated if they lost in the play-offs, as too many teams staying up could have played havoc with the number of teams in the First and Second Divisions.""

How would it have played havoc with the number of teams there?  Either one went down and one went up or nobody moved."