Related Clues:

• Typo, e.g.
• Good thing not to be in?
• Proofreader's find
• Slip by
• Mike's unfortunately-nicknamed friend on "Growing Pains"
• Proofreader's catch
• Goof-up
• Err
• Baseball booboo
• Minor error
• Stop receiving Money in the mail?
• Memory glitch
• What an eraser erases
• Unearned run factor
• Senior moment, e.g.