@@ -15,6 +15,9 @@ If you would like to perform syntax highlighting _in the browser_, you should lo
## Installation
+This package is [ESM only](https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c):
+Node 12+ is needed to use it and it must be `import`ed instead of `require`d.
+
```
npm install rehype-prism-plus
Timothy