diff --git a/api_guard/dist/types/index.d.ts b/api_guard/dist/types/index.d.ts
index 3f930cf2b8..ea785df097 100644
--- a/api_guard/dist/types/index.d.ts
+++ b/api_guard/dist/types/index.d.ts
@@ -577,6 +577,11 @@ export declare function refCount<T>(): MonoTypeOperatorFunction<T>;
 
 export declare function repeat<T>(countOrConfig?: number | RepeatConfig): MonoTypeOperatorFunction<T>;
 
+export interface RepeatConfig {
+    count?: number;
+    delay?: number | ((count: number) => ObservableInput<any>);
+}
+
 export declare function repeatWhen<T>(notifier: (notifications: Observable<void>) => ObservableInput<any>): MonoTypeOperatorFunction<T>;
 
 export declare class ReplaySubject<T> extends Subject<T> {
diff --git a/api_guard/dist/types/operators/index.d.ts b/api_guard/dist/types/operators/index.d.ts
index 36d1c6de49..c8b58f30e2 100644
--- a/api_guard/dist/types/operators/index.d.ts
+++ b/api_guard/dist/types/operators/index.d.ts
@@ -231,6 +231,11 @@ export declare function refCount<T>(): MonoTypeOperatorFunction<T>;
 
 export declare function repeat<T>(countOrConfig?: number | RepeatConfig): MonoTypeOperatorFunction<T>;
 
+export interface RepeatConfig {
+    count?: number;
+    delay?: number | ((count: number) => ObservableInput<any>);
+}
+
 export declare function repeatWhen<T>(notifier: (notifications: Observable<void>) => ObservableInput<any>): MonoTypeOperatorFunction<T>;
 
 export declare function retry<T>(count?: number): MonoTypeOperatorFunction<T>;
diff --git a/src/internal/operators/repeatWhen.ts b/src/internal/operators/repeatWhen.ts
index 46934e67d1..5e55ca07f4 100644
--- a/src/internal/operators/repeatWhen.ts
+++ b/src/internal/operators/repeatWhen.ts
@@ -34,7 +34,7 @@ import { createOperatorSubscriber } from './OperatorSubscriber';
  * @see {@link retry}
  * @see {@link retryWhen}
  *
- * @param notifier function that receives an Observable of notifications with
+ * @param notifier Function that receives an Observable of notifications with
  * which a user can `complete` or `error`, aborting the repetition.
  * @return A function that returns an `ObservableInput` that mirrors the source
  * Observable with the exception of a `complete`.