diff --git a/aspnetcore/fundamentals/url-rewriting/samples/3.x/SampleApp/RewriteRules.cs b/aspnetcore/fundamentals/url-rewriting/samples/3.x/SampleApp/RewriteRules.cs
index 99db0d412c..68a8afb0e2 100644
--- a/aspnetcore/fundamentals/url-rewriting/samples/3.x/SampleApp/RewriteRules.cs
+++ b/aspnetcore/fundamentals/url-rewriting/samples/3.x/SampleApp/RewriteRules.cs
@@ -1,5 +1,5 @@
 using System;
-using Sytem.Net;
+using System.Net;
 using System.Text.RegularExpressions;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Rewrite;