expression
please don't forget; please remember; keep in mind
Polite reminder used when giving instructions, warnings, or parting advice. Often appears at the end of a sentence or as a standalone phrase.
明日の会議は10時からです。お忘れなく。
Tomorrow's meeting is at 10. Please don't forget.
お忘れなく、傘をお持ちください。
Please remember to bring an umbrella.