diff --git a/aspnetcore/tutorials/web-api-help-pages-using-swagger/samples/3.0/TodoApi.Swashbuckle/Startup3.cs b/aspnetcore/tutorials/web-api-help-pages-using-swagger/samples/3.0/TodoApi.Swashbuckle/Startup3.cs
index f96d667277..ac31faf38b 100644
--- a/aspnetcore/tutorials/web-api-help-pages-using-swagger/samples/3.0/TodoApi.Swashbuckle/Startup3.cs
+++ b/aspnetcore/tutorials/web-api-help-pages-using-swagger/samples/3.0/TodoApi.Swashbuckle/Startup3.cs
@@ -6,7 +6,7 @@ using TodoApi.Models;
 
 namespace TodoApi
 {
-    public class Startup2
+    public class Startup3
     {
         #region snippet_ConfigureServices
         public void ConfigureServices(IServiceCollection services)