diff --git a/CHANGES.md b/CHANGES.md
index baa462a5d..af34c3b49 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -4,6 +4,7 @@
 ### Added
 * Implement `exclude_regex` for Logger middleware. [#1723]
 * Add request-local data extractor `web::ReqData`. [#1748]
+* Add `app_data` to `ServiceConfig`. [#1757]
 
 ### Changed
 * Print non-configured `Data<T>` type when attempting extraction. [#1743]
diff --git a/src/config.rs b/src/config.rs
index 20da72ac7..956e59855 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -270,14 +270,13 @@ mod tests {
             cfg.app_data(10usize);
         };
 
-        let mut srv =
-            init_service(App::new().configure(cfg).service(
-                web::resource("/").to(|_: web::Data<usize>, req: HttpRequest| {
-                    assert_eq!(*req.app_data::<usize>().unwrap(), 10usize);
-                    HttpResponse::Ok()
-                }),
-            ))
-            .await;
+        let mut srv = init_service(App::new().configure(cfg).service(
+            web::resource("/").to(|_: web::Data<usize>, req: HttpRequest| {
+                assert_eq!(*req.app_data::<usize>().unwrap(), 10usize);
+                HttpResponse::Ok()
+            }),
+        ))
+        .await;
         let req = TestRequest::default().to_request();
         let resp = srv.call(req).await.unwrap();
         assert_eq!(resp.status(), StatusCode::OK);