diff --git a/docs/guide/features.md b/docs/guide/features.md
index 0f69035a71dea5..65b40e08b69db0 100644
--- a/docs/guide/features.md
+++ b/docs/guide/features.md
@@ -518,7 +518,7 @@ import MyWorker from './worker?worker'
 const worker = new MyWorker()
 ```
 
-The worker script can also use `import` statements instead of `importScripts()` - note during dev this relies on browser native support and currently only works in Chrome, but for the production build it is compiled away.
+The worker script can also use `import` statements (with `type: 'module'` option) instead of `importScripts()` - note during dev this relies on browser native support and currently only works in Chrome, but for the production build it is compiled away.
 
 By default, the worker script will be emitted as a separate chunk in the production build. If you wish to inline the worker as base64 strings, add the `inline` query: