message: filename adjustment
diff: @@ -190,7 +190,7 @@ export class UserAccountComponent implements OnInit {
  }
  ngOnInit(): void {
  - let id = this.route.snapshot.params['userId'] - 1;
  + let id = this.route.snapshot.params['userId'];
  this.imageDisplay.displayImage(id,
  this.userService.retrieveAvatar.bind(this.userService))
  .subscribe(res => this.avatar = res.url)
  