Possible Clues:

• Make mistakes in Latin
• Rising in time, sailor rectified mistakes
• List that may include some howlers
• Mistakes made by a sailor when coming up to the Queen
• They slip past proofreaders
• Mistakes awfully rare by army
• Mistakes made by a scoundrel in time
• Returning in time, Jack corrected mistakes
• Noted mistakes in Latin
• 'Oops!' list