Seriously now

I’ve heard of teaser ads, but a teaser review seems a bit ridiculous. Apparently, there’s some massive error on the third-to-last page of my book. I’ve read and re-read it, but to no avail. Anyone who’s read the book have any ideas? Is it really bad form to contact the reviewer to ask to be put out of my misery? (Preferably not with the revolver in the locked room.)