NO, it means that there is a typographical error on the ticket and you need to address the resolution of the ticket with the Court. Good luck.
DISCLAIMER
Since I do not practice law in your State, this answer is provided solely for informational purposes only, for you to use as a starting point when speaking directly with a lawyer in your State. This answer does not constitute legal advice, create an attorney-client relationship, or constitute attorney advertising. I urge you to immediately contact an experienced criminal defense lawyer admitted to practice law in your State before you make any decisions about this case.
Also, I bet he got your driver's license # and your signature correct. I'd be very very leary of using the n instead of a t as a defense - especially if you signed it and he has you DL# - try explaining that to a judge and the judge probably won't be too happy.
Members of certain groups who consider themselves Constitutionalists have tried to fight criminal charges by claiming they are not the person named in the criminal complaint because the District Attorney spelled their name in CAPITAL LETTERS while they spell their name with Initial Capital Letters.
If there is fringe on the American flag in the courtroom, they claim the court has no jurisdiction over them because only maritime flags have fringe and the alleged offense was not committed on the high seas.
Judges tend to smile politely and nod their heads for a moment, then say "motion denied."
Your "n instead of t" argument will fare about as well.