diff --git a/README.md b/README.md
index ce72bad..8dc4f93 100644
--- a/README.md
+++ b/README.md
@@ -3,4 +3,4 @@
 [![clasp](https://img.shields.io/badge/built%20with-clasp-4285f4.svg?style=flat-square)](https://github.com/google/clasp) [![code style: prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg?style=flat-square)](https://github.com/prettier/prettier)
 [![Lint Code Base](https://github.com/ttsukagoshi/sheetsL/actions/workflows/linter.yml/badge.svg)](https://github.com/ttsukagoshi/sheetsL/actions/workflows/linter.yml) [![Publish Release](https://github.com/ttsukagoshi/sheetsL/actions/workflows/deploy.yml/badge.svg)](https://github.com/ttsukagoshi/sheetsL/actions/workflows/deploy.yml)
 
-Open-sourced Google Sheets add-on to use DeepL translation. Translate the contents of selected cells.
+Open-sourced Google Sheets add-on to use DeepL translation. Translate the contents of selected cells using the DeepL API.