Mich. Comp. Laws § 600.2311: Amendment of process or pleadings after judgment.

Sec. 2311.

After judgment rendered in any cause, any defect or imperfections in matter or form, contained in the record, pleadings, process, entries, returns, or other proceedings, may be rectified and amended by the court, in affirmance of the judgment, so that such judgment shall not be reversed or annulled; and any variation in the record, from any process, pleading or proceeding had in such cause, shall be reformed and amended according to such original process, pleading or proceeding.