diff --git a/docs/tutorials/rest-api.mdx b/docs/tutorials/rest-api.mdx
index 18490cdf7a..c702213cc6 100644
--- a/docs/tutorials/rest-api.mdx
+++ b/docs/tutorials/rest-api.mdx
@@ -626,7 +626,7 @@ describe("shorten", () => {
 });
 ```
 
-🥐 Save this in a separate file `url/url.test.test`.
+🥐 Save this in a separate file `url/url.test.ts`.
 
 🥐 Now run `encore test` to verify that it's working.