diff --git a/docs/en/Tutorials/AspNetCore-Mvc/Part-I.md b/docs/en/Tutorials/AspNetCore-Mvc/Part-I.md
index 5ed244a53c..9a48022e27 100644
--- a/docs/en/Tutorials/AspNetCore-Mvc/Part-I.md
+++ b/docs/en/Tutorials/AspNetCore-Mvc/Part-I.md
@@ -292,7 +292,7 @@ Check the `books` table in the database to see the new book row. You can try `ge
 
 It's time to create something visible and usable! Instead of classic MVC, we will use the new [Razor Pages UI](https://docs.microsoft.com/en-us/aspnet/core/tutorials/razor-pages/razor-pages-start) approach which is recommended by Microsoft.
 
-Create a new `Books` folder under the `Pages` folder of the `Acme.BookStore.Web` project and add a new Razor Page named `Index.html`:
+Create a new `Books` folder under the `Pages` folder of the `Acme.BookStore.Web` project and add a new Razor Page named `Index.cshtml`:
 
 ![bookstore-add-index-page](images/bookstore-add-index-page.png)