postscript

noun
1
an extra message that you add at the end of a letter after you sign your name
پس‌نوشت, پس‌نویس, یادداشت اضافی
2
extra facts or information about a story, an event, etc. that are added after it has finished
پس‌نوشت, پاینوشت, پ.ن.
News of the award comes as a fitting postscript to a long and successful career.