diff --git a/Libraries/Microsoft.Teams.Apps/App.cs b/Libraries/Microsoft.Teams.Apps/App.cs
index 37b27a85..5c86c922 100644
--- a/Libraries/Microsoft.Teams.Apps/App.cs
+++ b/Libraries/Microsoft.Teams.Apps/App.cs
@@ -102,7 +102,7 @@ public App(AppOptions? options = null)
 
         this.OnTokenExchange(OnTokenExchangeActivity);
         this.OnVerifyState(OnVerifyStateActivity);
-        this.OnSignInFailure(OnFailureActivity);
+        this.OnSignInFailure(OnSignInFailureActivity);
         this.OnError(OnErrorEvent);
         this.OnActivitySent(OnActivitySentEvent);
         this.OnActivityResponse(OnActivityResponseEvent);
diff --git a/Libraries/Microsoft.Teams.Apps/AppRouting.cs b/Libraries/Microsoft.Teams.Apps/AppRouting.cs
index d17bbefb..ca061352 100644
--- a/Libraries/Microsoft.Teams.Apps/AppRouting.cs
+++ b/Libraries/Microsoft.Teams.Apps/AppRouting.cs
@@ -198,7 +198,7 @@ await Events.Emit(
     /// <item><term>interactionrequired</term><description>User interaction is required (handled via OAuth card fallback, does not typically reach the bot).</description></item>
     /// </list>
     /// </summary>
-    protected async Task<object?> OnFailureActivity(IContext<Api.Activities.Invokes.SignIn.FailureActivity> context)
+    protected async Task<object?> OnSignInFailureActivity(IContext<Api.Activities.Invokes.SignIn.FailureActivity> context)
     {
         var failure = context.Activity.Value;
 
diff --git a/Samples/Samples.Graph/Program.cs b/Samples/Samples.Graph/Program.cs
index c89f83f8..854f010d 100644
--- a/Samples/Samples.Graph/Program.cs
+++ b/Samples/Samples.Graph/Program.cs
@@ -79,7 +79,7 @@ await context.SignIn(new OAuthOptions()
 {
     var failure = context.Activity.Value;
     context.Log.Error($"sign-in failed: {failure?.Code} - {failure?.Message}");
-    await context.Send("sign-in failed. please contact your admin.", cancellationToken);
+    await context.Send("Sign-in failed.", cancellationToken);
 });
 
 app.Run();
\ No newline at end of file