diff --git a/popwin.el b/popwin.el
index e9f11f4..d8c62fa 100644
--- a/popwin.el
+++ b/popwin.el
@@ -1,7 +1,7 @@
 ;;; popwin.el --- Popup Window Manager
 
 ;; Copyright (C) 2011-2015  Tomohiro Matsuyama
-;; Copyright (C) 202-2024  Jen-Chieh Shen
+;; Copyright (C) 2020-2024  Jen-Chieh Shen
 
 ;; Author: Tomohiro Matsuyama <m2ym.pub@gmail.com>
 ;; Maintainer: Jen-Chieh Shen <jcs090218@gmail.com>