老师帮忙修改了文章应该怎样感谢（怎么对照老师的建议修改论文）

Dear xx 老师, I write to say a big thank you for spending your precious time and energy in correcting my document. Without your assistance, I will definitely unable to submit the document to the relevant parties. I wish you a happy dan blessed years ahead. Thank you again. Yours sincerely, xxx