The first published correction

The editor was candid about the mistake, putting the correction where readers would easily see it. She was fair-minded, explaining the evidence supplied by the person who had complained without making fun of their persistence. I had assumed that an apology would be the shortest part of the issue. It took several drafts to make the wording both clear and proportionate. The aim was to correct the record, not to turn the correction into another argument.

From the passage, select two words or phrases that describe the editor's attitude towards correcting the mistake.