diff --git a/aspnetcore/tutorials/first-web-api.md b/aspnetcore/tutorials/first-web-api.md
index 0d85d680d676..d201f57f41ba 100644
--- a/aspnetcore/tutorials/first-web-api.md
+++ b/aspnetcore/tutorials/first-web-api.md
@@ -5,7 +5,7 @@ description: Build a web API with ASP.NET Core MVC and Visual Studio for Windows
 keywords: ASP.NET Core,WebAPI,Web API,REST,HTTP,Service,HTTP Service
 ms.author: riande
 manager: wpickett
-ms.date: 8/15/2017
+ms.date: 08/15/2017
 ms.topic: get-started-article
 ms.technology: aspnet
 ms.prod: asp.net-core