diff --git a/doc/howto-storybook.md b/doc/howto-storybook.md
index 50ed202ef..770aa8c6e 100644
--- a/doc/howto-storybook.md
+++ b/doc/howto-storybook.md
@@ -1,7 +1,7 @@
 # Storybook composition
 
 When using an own Storybook within your project, you can make use of the [Storybook composition feature](https://storybook.js.org/docs/react/sharing/storybook-composition), to integrate it in your own Storybook.
-Therefore, you need to link the published `@db-ui/elements` Storybook in your own by adding a reference in your Storybook `main.js` file.
+Therefore, you need to link the published `@db-ui/elements` Storybook in your own by adding a reference in your Storybook `main.js`/`main.ts` file.
 
 ```js
 module.exports = {