typo
n. countablen. a small mistake in something that is printed or typed. It usually happens because your finger hit the wrong key or you were typing too fast.
n. a small error in printed or typed material, typically resulting from a mechanical failure or a slip of the hand.
I noticed a small typo in the first paragraph of the email.
The restaurant had to reprint all its menus because of a typo in the price of the daily special.
While a single typo in a casual text message is usually ignored, multiple errors in a formal cover letter can create an impression of carelessness that undermines the applicant's credibility.
Clipping of typographical error.
Clipping of typographer.
Commonly used with the verbs 'make', 'spot', or 'fix'.
I did a typoI made a typoIn English, you 'make' a typo or 'there is' a typo; you do not 'do' one.