docs: article reference and comment

Author: Alain BOUDARD

README.md

@@ -1,9 +1,12 @@
 # springboot-ngrx-data
 
-Spring Boot with NgRx Data in Angular 8
-This project demonstrates the use of Spring Boot with Angular 8 and NgRx Data lib on top of NgRx.
+Spring Boot with NgRx Data in Angular 10
+This project demonstrates the use of Spring Boot with Angular 10 and NgRx Data lib on top of NgRx.
 Find the lib here : https://ngrx.io/guide/data
 
+Source code of this article :
+https://coco-boudard.medium.com/spring-boot-data-and-angular-ngrx-data-cbed33fc6015
+
 ## Install
 
 Clone this repository

src/angular/src/app/todo/todos/todos.component.ts

@@ -32,7 +32,7 @@ export class TodosComponent implements OnInit {
   }
 
   updateTodo(todo: Todo) {
-    // can't mutate the object directly
+    // can't mutate the object directly since NgRx 10
     // todo.active = !todo.active;
     this.todosService.update({...todo, active: !todo.active});
   }