quick readme update

README.md

@@ -1,6 +1,7 @@
 ASP.NET Core Basic Middleware Components
 ========
 
-This repo hosts a collection of basic middleware components for ASP.NET Core.
+This repo hosts a collection of basic middleware components for ASP.NET Core. This includes Buffering, HTTP Overrides, and URL Rewriting. 
+The Rewrite middleware can import rules from IIS's UrlRewrite and Apache's mod_rewrite.
 
 This project is part of ASP.NET Core. You can find samples, documentation and getting started instructions for ASP.NET Core at the [Home](https://github.com/aspnet/home) repo.