diff --git a/README.md b/README.md
index 36eb73b..44be2e7 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,17 @@
 # simple-go-tcp-proxy
 
-Simple TCP Proxy written in Go Lang
\ No newline at end of file
+Simple TCP Proxy written in Go Lang
+
+
+Config sample:
+```json
+{
+ "tcpListens": [
+   {
+     "listen": ":8443",
+     "backend": "101.132.122.240:443"
+   }
+ ]
+}
+
+```