One man's irony is another man's prize :-) The question is...can you find the second one? The person who finds the second one first wins a prize.
Here are some more mistakes I found: Give the bonus only to people that [WHO] respond to the offer in your main piece.
Here's one I found that same day, in the PDF article: (www.pdfonline.com). PRF Online is an easy to use service to create PDFs.