fix typo

Author: hyryel

articles/active-directory/develop/scenario-web-app-sign-user-app-configuration.md

@@ -218,7 +218,7 @@ The initialization code differences are platform dependant. For ASP.NET Core and
 
 # [ASP.NET Core](#tab/aspnetcore)
 
-In ASP.NET Core web apps (and web APIs), the application is protected because you have a `Authorize` attribute on the controllers or the controller actions. This attribute checks that the user is authenticated. Prior to the release of .NET 6, the code initializaation wis in the *Startup.cs* file.  New ASP.NET Core projects with .NET 6 no longer contain a *Startup.cs* file.  Taking its place is the *Program.cs* file.  The rest of this tutorial pertains to .NET 5 or lower.
+In ASP.NET Core web apps (and web APIs), the application is protected because you have a `Authorize` attribute on the controllers or the controller actions. This attribute checks that the user is authenticated. Prior to the release of .NET 6, the code initialization was in the *Startup.cs* file.  New ASP.NET Core projects with .NET 6 no longer contain a *Startup.cs* file.  Taking its place is the *Program.cs* file.  The rest of this tutorial pertains to .NET 5 or lower.
 
 > [!NOTE]
 > If you want to start directly with the new ASP.NET Core templates for Microsoft identity platform, that leverage Microsoft.Identity.Web, you can download a preview NuGet package containing project templates for .NET 5.0. Then, once installed, you can directly instantiate ASP.NET Core web applications (MVC or Blazor). See [Microsoft.Identity.Web web app project templates](https://aka.ms/ms-id-web/webapp-project-templates) for details. This is the simplest approach as it will do all the steps below for you.