diff --git a/packages/backend-app-api/src/services/implementations/httpRouter/createLifecycleMiddleware.ts b/packages/backend-app-api/src/services/implementations/httpRouter/createLifecycleMiddleware.ts
index e5e829eebe..958ae33e99 100644
--- a/packages/backend-app-api/src/services/implementations/httpRouter/createLifecycleMiddleware.ts
+++ b/packages/backend-app-api/src/services/implementations/httpRouter/createLifecycleMiddleware.ts
@@ -50,6 +50,8 @@ export interface LifecycleMiddlewareOptions {
   lifecycle: LifecycleService;
   /**
    * The maximum time that paused requests will wait for the service to start, before returning an error.
+   *
+   * Defaults to 5 seconds.
    */
   startupRequestPauseTimeout?: HumanDuration;
 }