Fixing #310

Author: jmprieur

1-WebApp-OIDC/1-3-AnyOrgOrPersonal/README.md

@@ -151,7 +151,8 @@ In the **appsettings.json** file:
      by this line:
 
      ```CSharp
-      services.AddSignIn(Configuration);
+      services.AddAuthentication(OpenIdConnectDefaults.AuthenticationScheme)
+                .AddSignIn("AzureAd", Configuration, options => Configuration.Bind("AzureAd", options));
      ```
 
      This enables your application to use the Microsoft identity platform endpoint. This endpoint is capable of signing-in users both with their Work and School and Microsoft Personal accounts.