postscript

/ˈpoʊstˌskrɪpt/
noun
  1. An additional remark added at the end of a letter, email, or other text, often after the signature.
    • The email ended with a postscript: 'See you Friday!'
    • In the postscript, he reminded me to bring the book.
    • She added a postscript to her letter to say she missed him.
  2. Extra information or an afterthought added to the end of a story, speech, or event.
    • The documentary included a postscript about what happened to the family later.
    • A brief postscript to the article corrected a small error.
    • As a postscript to the meeting, I should mention the budget issue.