"Please be sure to double check your mail address to avoid mistakes."
"Please be careful not to make mistakes."
- "Please be sure to double check your mail address to avoid mistakes."
"please ~" 「〜下さい」
"be sure to double check ~" 「〜を確認する」
"your mail address" 「自分のメールアドレス」
"to avoid mistakes" 「間違いないように」
- "Please be careful of mistakes."
"please be careful" 「ご注意ください」
"of mistakes" 「間違いに」