postscript
Definitions
A paragraph, phrase, or note added after the main body of a letter, usually introduced by the abbreviation 'P.S.'
An additional remark or piece of information appended to a finished document or literary work.
Examples
I added a postscript to the letter to mention that I would be arriving a day earlier than planned.
The author included a brief postscript at the end of the book to thank her family for their support.
Synonyms
afterword appendix supplement addendum codicil tailpiece suffix
Antonyms
preface foreword introduction prologue preamble exordium proem