diff --git a/Startup.cs b/Startup.cs
index 158e3a66c..b308dd8e2 100644
--- a/Startup.cs
+++ b/Startup.cs
@@ -8,7 +8,7 @@
 namespace pipelines_dotnet_core
 {
     public class Startup
-    {
+    {  # demo
         public Startup(IConfiguration configuration)
         {
             Configuration = configuration;
@@ -58,4 +58,4 @@ public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
             });
         }
     }
-}
\ No newline at end of file
+}