Add some comments to help out the novice users out there.

Author: peterdrier

active-directory-b2c-wpf/App.xaml.cs

@@ -14,16 +14,41 @@ namespace active_directory_b2c_wpf
     /// </summary>
     public partial class App : Application
     {
-        private static readonly string Tenant = "fabrikamb2c.onmicrosoft.com";
-        private static readonly string AzureAdB2CHostname = "fabrikamb2c.b2clogin.com";
+        /// <summary>
+        /// B2C tenant name
+        /// </summary>
+        private static readonly string TenantName = "fabrikamb2c";
+        private static readonly string Tenant = $"{TenantName}.onmicrosoft.com";
+        private static readonly string AzureAdB2CHostname = $"{TenantName}.b2clogin.com";
+
+        /// <summary>
+        /// ClientId for the application which initiates the login functionality (this app)  
+        /// </summary>
         private static readonly string ClientId = "841e1190-d73a-450c-9d68-f5cf16b78e81";
+
+        /// <summary>
+        /// Should be one of the choices on the Azure AD B2c / App(Keten) / Authentication blade
+        /// </summary>
         private static readonly string RedirectUri = "https://fabrikamb2c.b2clogin.com/oauth2/nativeclient";
+
+        /// <summary>
+        /// From Azure AD B2C / UserFlows blade
+        /// </summary>
         public static string PolicySignUpSignIn = "b2c_1_susi";
         public static string PolicyEditProfile = "b2c_1_edit_profile";
         public static string PolicyResetPassword = "b2c_1_reset";
 
+        /// <summary>
+        /// Note: AcquireTokenInteractive will fail to get the AccessToken if "Admin Consent" has not been granted to this scope:
+        /// </summary>
         public static string[] ApiScopes = { "https://fabrikamb2c.onmicrosoft.com/helloapi/demo.read" };
+
+        /// <summary>
+        /// URL for API which will receive the bearer token corresponding to this authentication
+        /// </summary>
         public static string ApiEndpoint = "https://fabrikamb2chello.azurewebsites.net/hello";
+
+        // Shouldn't need to change these:
         private static string AuthorityBase = $"https://{AzureAdB2CHostname}/tfp/{Tenant}/";
         public static string AuthoritySignUpSignIn = $"{AuthorityBase}{PolicySignUpSignIn}";
         public static string AuthorityEditProfile = $"{AuthorityBase}{PolicyEditProfile}";
@@ -36,7 +61,7 @@ static App()
             PublicClientApp = PublicClientApplicationBuilder.Create(ClientId)
                 .WithB2CAuthority(AuthoritySignUpSignIn)
                 .WithRedirectUri(RedirectUri)
-                .WithLogging(Log, LogLevel.Info, false) // don't log PII details on a regular basis
+                .WithLogging(Log, LogLevel.Info, false) // don't log P(ersonally) I(dentifiable) I(nformation) details on a regular basis
                 .Build();
 
             TokenCacheHelper.Bind(PublicClientApp.UserTokenCache);