This question was edited to correct an error (in a quote) of "twice" to "three times".
But yet the error was in the original source which was quoted, and making the edit means that the quote is no longer accurate.
I've felt it more appropriate to revert the edit and add a note expaining the error instead, but - without wanting to get into an edit war, and accepting that while this was quite minor, further occurrances may not be - did I do the right thing? Do we have any policy or consensus on this?
If you provide a quote from a source, and if that source contains errors, do you silently correct them, or add a note to the effect that you acknowledge the error, or just leave things stand? Or something else?