diff --git a/NOTICE.md b/NOTICE.md
index 2da55bbe..8e9d03e4 100644
--- a/NOTICE.md
+++ b/NOTICE.md
@@ -1,5 +1,5 @@
 SecretFlow Yacl
 Copyright 2023 Ant Group Co., Ltd.
 
-This product includes software that is licensed as GNU LGPLv3:
+This product includes software that is licensed as GNU LGPL v3 (https://www.gnu.org/licenses/lgpl-3.0.en.html#license-text):
 - The GNU MP Library (https://gmplib.org/)