diff --git a/docs/tutorials/setup-opentelemetry.md b/docs/tutorials/setup-opentelemetry.md
index 2be81bc719..5a229d83d9 100644
--- a/docs/tutorials/setup-opentelemetry.md
+++ b/docs/tutorials/setup-opentelemetry.md
@@ -74,7 +74,7 @@ CMD ["node", "--require", "./instrumentation.ts", "packages/backend", "--config"
 
 The above configuration will only work in production once your start a Docker container from the image.
 
-To be able to test locally you can import the `./instrumentation.ts` file at the top (before all imports) of your backend `index.ts` file
+To be able to test locally you can import the `./instrumentation.js` file at the top (before all imports) of your backend `index.ts` file
 
 ```ts
 import '../instrumentation.js'