diff --git a/aspnetcore/fundamentals/servers/index.md b/aspnetcore/fundamentals/servers/index.md
index 08a1c43441..051a7bed5f 100644
--- a/aspnetcore/fundamentals/servers/index.md
+++ b/aspnetcore/fundamentals/servers/index.md
@@ -57,6 +57,8 @@ ASP.NET Core ships with [Kestrel server](xref:fundamentals/servers/kestrel), whi
 
 ## Kestrel
 
+ [Kestrel server](xref:fundamentals/servers/kestrel) is the default, cross-platform HTTP server implementation. Kestrel provides the best performance and memory utilization, but it doesn't have some of the advanced features in `Http.Sys` such as port sharing.
+ 
 Use Kestrel:
 
 * By itself as an edge server processing requests directly from a network, including the Internet.