Related Clues:

• Make mention of
• Written reminder
• Staff item
• Short entry
• Steno's reminder
• Brief message
• Take heed
• Quick message
• Refrigerator attachment, maybe
• Bulletin board notice, perhaps
• Staff marking
• IOU, e.g.
• Middle C, e.g.
• Headache for Dilbert
• '___ to self . . .'