diff --git a/docs/en/Tutorials/Part-9.md b/docs/en/Tutorials/Part-9.md
index c623cfcf46..c7f5dc8beb 100644
--- a/docs/en/Tutorials/Part-9.md
+++ b/docs/en/Tutorials/Part-9.md
@@ -1116,7 +1116,7 @@ namespace Acme.BookStore.Blazor.Pages
 
             await GetAuthorsAsync();
 
-            StateHasChanged();
+            await InvokeAsync(StateHasChanged);
         }
 
         private void OpenCreateAuthorModal()