Update README.md

Author: dylan-sutton-chavez

README.md

@@ -54,6 +54,7 @@ Native modules ship via three delivery paths (CDN `.wasm`, host capability, JS h
 download it to your machine ([reference docs](https://edgepython.com/reference/cli)):
 
 ```bash
+# Compatible with macOS, Linux and WSL
 curl -fsSL https://cdn.edgepython.com/cli/install.sh | sh
 
 edge -h # List all commands