One concrete data point for the thread. Keep the original post as written when you update it, and add the correction underneath. An edited-away mistake is invisible to the next person who makes it.
Following on from GenomicsKate — and this may be the naive question:
How long did you give it before you decided it was working?
Found this through search years later and it is still the best discussion of the question, so adding one thing. Say what you would expect to see if you were wrong, before you look. It is a small discipline and it changes what you notice.
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Shop Reference StandardsDr.PulmRoch said:Keep the original post as written when you update it, and add the correction underneath.
That is right for the common case. Whether it is right for the case being asked about depends on a detail that has not been given.
If somebody has the primary source to hand I would rather cite it than paraphrase it.
Dr.PulmRoch said:Keep the original post as written when you update it, and add the correction underneath.
Genuinely useful, thank you. I had the facts and not the framework.