diff --git a/reverseproxy/websocket/README.md b/reverseproxy/websocket/README.md
index 8cefb927..5562d78d 100644
--- a/reverseproxy/websocket/README.md
+++ b/reverseproxy/websocket/README.md
@@ -1,6 +1,6 @@
 # Websocket Reverse Proxy
 
-This is echo server example with websocket reverse proxy.
+This is an echo server example with websocket reverse proxy.
 
 ## Quick Start