diff --git a/aspnetcore/fundamentals/servers/kestrel.md b/aspnetcore/fundamentals/servers/kestrel.md
index e4105c7ff3..7c6563cf61 100644
--- a/aspnetcore/fundamentals/servers/kestrel.md
+++ b/aspnetcore/fundamentals/servers/kestrel.md
@@ -5,7 +5,7 @@ description: Learn about Kestrel, the cross-platform web server for ASP.NET Core
 monikerRange: '>= aspnetcore-2.1'
 ms.author: riande
 ms.custom: mvc
-ms.date: 12/18/2019
+ms.date: 12/26/2019
 uid: fundamentals/servers/kestrel
 ---
 # Kestrel web server implementation in ASP.NET Core
@@ -647,7 +647,7 @@ webBuilder.ConfigureKestrel(serverOptions =>
 
 The <xref:Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServerOptions.Listen*> method binds to a TCP socket, and an options lambda permits X.509 certificate configuration:
 
-[!code-csharp[](kestrel/samples/3.x/KestrelSample/Program.cs?name=snippet_TCPSocket&highlight=9-16)]
+[!code-csharp[](kestrel/samples/3.x/KestrelSample/Program.cs?name=snippet_TCPSocket&highlight=12-18)]
 
 The example configures HTTPS for an endpoint with <xref:Microsoft.AspNetCore.Server.Kestrel.Core.ListenOptions>. Use the same API to configure other Kestrel settings for specific endpoints.