diff --git a/LICENSE b/LICENSE
index 410acae26..8ecc7e99c 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,7 @@
 MIT License
 
 Copyright (c) 2026 PicoClaw contributors
+Copyright (c) 2026 Kohei Yamashita
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.ja.md b/README.ja.md
index 22db4c0c1..489484f90 100644
--- a/README.ja.md
+++ b/README.ja.md
@@ -518,6 +518,4 @@ clawdroid/
 
 ## ライセンス
 
-MIT License。Copyright (c) 2026 PicoClaw contributors。
-
-[PicoClaw](https://github.com/sipeed/picoclaw) からフォーク。
+[MIT License](LICENSE)。[PicoClaw](https://github.com/sipeed/picoclaw) からフォーク。
diff --git a/README.md b/README.md
index d7273cc35..2ef5cd28d 100644
--- a/README.md
+++ b/README.md
@@ -520,6 +520,4 @@ clawdroid/
 
 ## License
 
-MIT License. Copyright (c) 2026 PicoClaw contributors.
-
-Forked from [PicoClaw](https://github.com/sipeed/picoclaw).
+[MIT License](LICENSE). Forked from [PicoClaw](https://github.com/sipeed/picoclaw).