The same thing happened to German magazine Spiegel recently, see the correction remark at the end of this article
https://www.spiegel.de/wirtschaft/unternehmen/deutsche-bahn-...
replies(3):
https://www.spiegel.de/wirtschaft/unternehmen/deutsche-bahn-...
That's what the legitimate media has done for the last couple of hundred years. Every issue of the New York Times has a Corrections section. I think the Washington Post's is called Corrections and Amplifications.
Bloggers just change the article and hope it didn't get cached in the Wayback Machine.