diff --git a/src/Http/Authentication.Abstractions/src/IAuthenticationHandler.cs b/src/Http/Authentication.Abstractions/src/IAuthenticationHandler.cs
index d34f2b512ba0..9a3de57c8e2d 100644
--- a/src/Http/Authentication.Abstractions/src/IAuthenticationHandler.cs
+++ b/src/Http/Authentication.Abstractions/src/IAuthenticationHandler.cs
@@ -7,7 +7,7 @@
 namespace Microsoft.AspNetCore.Authentication
 {
     /// <summary>
-    /// Created per request to handle authentication for to a particular scheme.
+    /// Created per request to handle authentication for a particular scheme.
     /// </summary>
     public interface IAuthenticationHandler
     {