diff --git a/plugins/node_peer_count/main.go b/plugins/node_peer_count/main.go
index 004aea9..bcc11c4 100644
--- a/plugins/node_peer_count/main.go
+++ b/plugins/node_peer_count/main.go
@@ -32,7 +32,7 @@ var (
 
 func init() {
 	flag.StringVar(&addr, "addr", defaultAddr, "IP Address(e.g. 0.0.0.0, 127.0.0.1)")
-	flag.IntVar(&port, "port", defaultPort, "Port number, default 9091")
+	flag.IntVar(&port, "port", defaultPort, "Port number")
 	flag.IntVar(&minPeer, "minPeer", defaultPeer, "minimum peer count, default 5")
 	flag.StringVar(&rpcAddr, "rpcAddr", defaultRpcAddr, "RPC Address, default http://localhost:26657")