diff --git a/src/scope.rs b/src/scope.rs
index c05ce054d..0bad5c581 100644
--- a/src/scope.rs
+++ b/src/scope.rs
@@ -264,7 +264,8 @@ where
 
     /// Default service to be used if no matching route could be found.
     ///
-    /// If default resource is not registered, app's default resource is being used.
+    /// If a default service is not registered, it will fall back to the default service of
+    /// the parent [`App`](crate::App) (see [`App::default_service`](crate::App::default_service).
     pub fn default_service<F, U>(mut self, f: F) -> Self
     where
         F: IntoServiceFactory<U, ServiceRequest>,