update README.md

fising · garyburd · commit 2b5852213197 · 2017-11-29T07:20:15.000-08:00
diff --git a/examples/chat/README.md b/examples/chat/README.md
@@ -1,6 +1,6 @@
 # Chat Example
 
-This application shows how to use use the
+This application shows how to use the
 [websocket](https://github.com/gorilla/websocket) package to implement a simple
 web chat application.
 
