diff --git a/types/fetch.d.ts b/types/fetch.d.ts
index 18eadb6ac98..7e94375ecdc 100644
--- a/types/fetch.d.ts
+++ b/types/fetch.d.ts
@@ -85,7 +85,7 @@ export declare class Headers implements SpecIterable<[string, string]> {
   readonly keys: () => SpecIterableIterator<string>
   readonly values: () => SpecIterableIterator<string>
   readonly entries: () => SpecIterableIterator<[string, string]>
-  readonly [Symbol.iterator]: () => SpecIterator<[string, string]>
+  readonly [Symbol.iterator]: () => SpecIterableIterator<[string, string]>
 }
 
 export type RequestCache =
@@ -163,6 +163,7 @@ export declare class Request extends BodyMixin {
   readonly method: string
   readonly mode: RequestMode
   readonly redirect: RequestRedirect
+  readonly referrer: string
   readonly referrerPolicy: ReferrerPolicy
   readonly url: string