Related Clues:

• Boners
• Typos
• Thiss and thaat
• Boo-boos
• Slips
• Correction section
• Goofs
• Editor's concerns
• Slips on a slip?
• Concern of 43-Down
• Printing mistakes
• Literal errors
• Thit and thas?
• Proofer's bane
• Copy editor's catches