diff --git a/docs/src/api/class-route.md b/docs/src/api/class-route.md
index fa43ea9289..eb2a5f806a 100644
--- a/docs/src/api/class-route.md
+++ b/docs/src/api/class-route.md
@@ -221,6 +221,7 @@ File path to respond with. The content type will be inferred from file extension
 is resolved relative to the current working directory.
 
 ### option: Route.fulfill.response
+* langs: js
 - `response` <[FetchResponse]>
 
 [FetchResponse] to fulfill route's request with. Individual fields of the response (such as headers) can be overridden using fulfill options.