diff --git a/leim/CXTERM-DIC/4Corner.tit b/leim/CXTERM-DIC/4Corner.tit
index ec601dfbbb9..e9d7212060a 100644
--- a/leim/CXTERM-DIC/4Corner.tit
+++ b/leim/CXTERM-DIC/4Corner.tit
@@ -5,7 +5,13 @@
 ENCODE:	BIG5
 PROMPT:	四角號碼::\040
 AUTOSELECT:	NEVER
-#
+COMMENT 
+COMMENT Copyright (c) 2001 Christian Wittern <chris@ccbs.ntu.edu.tw>
+COMMENT 
+COMMENT Permission to copy and distribute both modified and
+COMMENT unmodified versions is granted without royalty provided this
+COMMENT notice is preserved.
+COMMENT 
 COMMENT	Authors: Dr. Urs App, Christian Wittern (Kyoto Univ, Japan)
 COMMENT
 COMMENT Input:  四角號碼 (及一附加碼)