diff --git a/PREP.md b/PREP.md
index 3eb7c66..1ea8c20 100644
--- a/PREP.md
+++ b/PREP.md
@@ -3,6 +3,7 @@
 ## Prerequisites
 
 ### GitHub Copilot
+- GitHub Account
 - GitHub Copilot License
 - [VSCode](https://code.visualstudio.com/download) 
 
@@ -31,10 +32,6 @@ cmake -S . -B build
 cmake --build build
 ```
 
-## Shortcut Information
-- [VS Code](https://docs.github.com/en/enterprise-cloud@latest/copilot/managing-copilot/configure-personal-settings/configuring-github-copilot-in-your-environment?tool=vscode)
-- [JetBrains IDE](https://docs.github.com/en/enterprise-cloud@latest/copilot/managing-copilot/configure-personal-settings/configuring-github-copilot-in-your-environment?tool=visualstudio)
-
 ## Trust Center
 - [GitHub Trust Center](https://github.com/trust-center)
-- [GitHub Copilot Trust Center](https://copilot.github.trust.page/)
\ No newline at end of file
+- [GitHub Copilot Trust Center](https://copilot.github.trust.page/)
diff --git a/README.en.md b/README.en.md
index 552d62b..b45216a 100644
--- a/README.en.md
+++ b/README.en.md
@@ -1,6 +1,6 @@
 # GitHub Copilot C++ Workshop
 
- [:jp: Japanese](README.md) | [:us: English](README.md)
+ [:jp: Japanese](README.md) | [:us: English](README.en.md)
 
 This is a hands-on workshop to demonstrate the usage of the [GitHub Copilot](https://github.com/features/copilot). 
 <br>It is a CLI tool that allows users to convert between units of different types.
@@ -19,7 +19,7 @@ cmake --build build
     ```
 - To execute the tests:
     ```bash
-      /build/run-tests
+      ./build/run-tests
     ```
 ### Run as VSCode Tasks
 The above commands are also all defined as tasks in the `.vscode/tasks.json` file. You can run them from the VSCode Task Runner from Command Palette (<key>cmd</key>+<key>shift</key>+<key>p</key> or <key>ctrl</key>+<key>shift</key>+<key>p</key>) and typing `Run Task`.:
@@ -38,4 +38,4 @@ The above commands are also all defined as tasks in the `.vscode/tasks.json` fil
 - [ ] Refactor all `printf` and `scanf` and use `std::cout` and `std::cin` instead
 - [ ] Add a new Conversion Class for `Weight` to convert in between Kilos and Pounds
 - [ ] Find any issue and fix the issue with the help of Copilot
-- [ ] Add new feature with your ideas with the help of Copilot
\ No newline at end of file
+- [ ] Add new feature with your ideas with the help of Copilot
diff --git a/README.md b/README.md
index 5657e8f..840ec38 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # GitHub Copilot C++ Workshop
 
- [:jp: Japanese](README.md) | [:us: English](README.md)
+ [:jp: Japanese](README.md) | [:us: English](README.en.md)
 
 こちらは、[GitHub Copilot](https://github.com/features/copilot) の使用方法を紹介するハンズオンワークショップです。異なる単位の間で変換を行うCLIツールを提供します。
 
@@ -70,4 +70,4 @@ buildするごとにテストを自動実行することも可能です。
 - [ ] すべての`printf`と`scanf`をリファクタリングし、`std::cout`と`std::cin`を使用する
 - [ ] キロとポンドの間で変換するための新しい`Weight`変換クラスを追加する
 - [ ] コードの問題点を発見し、Copilotの助けを借りて問題を解決する
-- [ ] あなたのアイデアで新しい機能を追加し、Copilotの助けを借りて実装する
\ No newline at end of file
+- [ ] あなたのアイデアで新しい機能を追加し、Copilotの助けを借りて実装する