Though I won't rule out that someone would probably suggest that the mistyped word was actually a valid spelling, and anyone that said otherwise was fake news.
It isn't like they misspelled the name of their country - they misspelled a word that is in size 1 font as a security feature.
But these people, part of the U.S. Treasury, might be: https://moneyfactory.gov/
I've been a cashier, and trust me, we had more important things to do than examine bills with a magnifying glass looking for spelling errors. If a bill seemed suspicious at a quick glance, I swiped it with the counterfeit detector pen, and if it came out fine, I shrugged and put it in the register.
I have had a lot of mistakes filing my taxes (Spain) when I was working as a contractor. You pay a small fine (100€ for a yearly report) and move on.
You will be prosecuted if you lied in your taxes. But, mistakes happen all the time and its not big deal.