diff --git a/README.md b/README.md
index 5ae63a37b..12cbc559d 100644
--- a/README.md
+++ b/README.md
@@ -351,6 +351,10 @@ httpProxy.createServer(
 ).listen(8000);
 ```
 
+A regular request we receive is to support the modification of html/xml content that is returned in the response from an upstream server. 
+
+[Harmon](https://github.com/No9/harmon/) is a stream based middleware plugin that is designed to solve that problem in the most effective way possible. 
+
 ## Proxying WebSockets
 Websockets are handled automatically when using `httpProxy.createServer()`, but if you want to use it in conjunction with a stand-alone HTTP + WebSocket (such as [socket.io][5]) server here's how: