diff --git a/README.md b/README.md
index 185fb04..dd83f1c 100644
--- a/README.md
+++ b/README.md
@@ -68,7 +68,7 @@ docker run --name pingtunnel-server -d --privileged --network host --restart=alw
 ```
 -   client:
 ```
-docker run --name pingtunnel-client -d --restart=always -p 1080: 1080 esrrhs/pingtunnel ./pingtunnel -type client -l: 1080 -s www.yourserver.com -sock5 1 -key 123456
+docker run --name pingtunnel-client -d --restart=always -p 1080: 1080 esrrhs/pingtunnel ./pingtunnel -type client -l :1080 -s www.yourserver.com -sock5 1 -key 123456
 ```
 
 ## Thanks for free JetBrains Open Source license