Update README about CLI license

FIx license as same GPL2 as code header description.

diff --git a/README.md b/README.md
index 2c4b985..3c64afb 100644 (file)
--- a/README.md
+++ b/README.md
@@ -70,7 +70,7 @@ Copyright (C) 2016 Hiroshi Miura
 Some part of this program are come from a part of jdictd 1.5 on java.
 
 DictZip command line utility is distributed under the terms of GNU General
-Public License Version 3 or (at your option) any later version.
+Public License Version 2 or (at your option) any later version.
 
 DictZip library is distributed under the terms of the GNU General Public License
 Version 2 or (at your option) any later version with the following clarification