It's not an argument, and so it's not an appeal to authority, nor any other fallacious argument. It's just the blurb you see if you click on the author's byline

It's not an argument, and so it's not an appeal to authority, nor any other fallacious argument. It's just the blurb you see if you click on the author's byline at the head of the article. I clicked on it, because I wanted to know who the author was.