Complex sentence: In November 2011, MK Dons announced that they will expand Stadium mk to 32,000 for the 2012--13 seasonthis however did not occur due to a dwindling fanbase.
Split into simpler sentences: In November 2011, MK Dons announced that they will expand Stadium mk to 32,000 for the 2012--13 season. This however did not occur due to a dwindling fanbase.