Wis. Stat. § 228.06

In counties having a population of 500,000 or more, in any case where any record or replacement thereof in the office of any county officer is produced by a mechanical process, any correction, alteration, endorsement or entry required or authorized to be made of or on any instrument or paper or on the record thereof, may be made by copying or reproducing the affidavit, certificate, court order or corrected copy by the same means used to produce the original copy, and by noting and making reference to the correction, alteration, endorsement or entry in the indexes showing the location of the original filing or recording.