Update README.md

Author: himorishige

README.md

@@ -10,8 +10,8 @@ It helps you to use microCMS from JavaScript and Node.js applications.
 
 Install npm package.
 
-[!NOTE]
-v3.0.0 or later requires Node.js **v18 or higher**.
+> [!IMPORTANT]
+> v3.0.0 or later requires Node.js **v18 or higher**.
 
 ```bash
 $ npm install microcms-js-sdk
@@ -25,6 +25,10 @@ CDN support.
 
 ```html
 <script src="https://unpkg.com/microcms-js-sdk@latest/dist/umd/microcms-js-sdk.js"></script>
+
+or
+
+<script src="https://unpkg.com/[email protected]/dist/umd/microcms-js-sdk.js"></script>
 ```
 
 ### How to use