Editing can often take long. Some users correct posts substantially and a percent from them might want their edit to be visible as edited by them (well, it depends on the guy, I wouldn't care, but it's better to ask). For instance the first edit in this question.
In this case I also forgot an n at the end of the adjective in italics:
überwiegend die aus dem Latein abgeleitete Wörter
That's a minor error and I can easily correct it, but then I'd take the credit of the one who really took time to correct 90% of the errors.
So what should I do?