diff --git a/README.md b/README.md
index fb3f7d3..e7cca8e 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@
   <img src=".github/assets/banner.jpg" alt="banner" />
 </picture>
 
-[English](./README) | [日本語](./README_ja)
+[English](./README.md) | [日本語](./README_ja.md)
 
 [stylus]: https://img.shields.io/badge/Stylus-333333?style=for-the-badge&logo=stylus
 [svelte]: https://img.shields.io/badge/Svelte-FF3E00?style=for-the-badge&logo=svelte&logoColor=white
diff --git a/README_ja.md b/README_ja.md
index cbfedf1..4e0c459 100644
--- a/README_ja.md
+++ b/README_ja.md
@@ -33,7 +33,7 @@
   <img src=".github/assets/banner.jpg" alt="banner" />
 </picture>
 
-[English](./README) | [日本語](./README_ja)  
+[English](./README.md) | [日本語](./README_ja.md)  
 
 [stylus]: https://img.shields.io/badge/Stylus-333333?style=for-the-badge&logo=stylus
 [svelte]: https://img.shields.io/badge/Svelte-FF3E00?style=for-the-badge&logo=svelte&logoColor=white