text: I just read through my comment again and noticed I might sound grumpy, that is not my intention :)
  I just don't know how to revert those particular changes myself and the top rated answer on help.osm.org [0] suggests to ask the editor to correct it.
  
  [0]: https://help.openstreetmap.org/questions/731/how-can-i-revert-a-changeset