diff --git a/README.md b/README.md
index 0bcebbf..12f6890 100644
--- a/README.md
+++ b/README.md
@@ -4,18 +4,6 @@
 
 ### How to generate cert file and key file
 
-```
-mkdir certs
-rm certs/*
-
-# for tls server
-openssl req -new -nodes -x509 -out certs/server.pem -keyout certs/server.key -days 36500
-
-# for tls client
-openssl req -new -nodes -x509 -out certs/client.pem -keyout certs/client.key -days 36500
-```
-
-
 ```
 mkdir certs
 rm certs/*
@@ -34,7 +22,6 @@ openssl x509 -req -in certs/server.csr -out certs/server.pem -signkey certs/serv
 openssl genrsa -out certs/client.key 2048
 openssl req -new -key certs/client.key -out certs/client.csr
 openssl x509 -req -in certs/client.csr -out certs/client.pem -signkey certs/client.key -CA certs/ca.pem -CAkey certs/ca.key -CAcreateserial -days 36500
-
 ```
 
 ### Client
diff --git a/cmd/tls-proxy-client/client.go b/cmd/tls-proxy-client/client.go
index 648c034..79a086c 100644
--- a/cmd/tls-proxy-client/client.go
+++ b/cmd/tls-proxy-client/client.go
@@ -34,7 +34,12 @@ func clientHandler(conn *net.TCPConn, config *tls_proxy_go.ClientConfig) {
 		return
 	}
 
-	tlsConfig := tls.Config{Certificates: []tls.Certificate{cert}, InsecureSkipVerify: true, RootCAs: certPool}
+	tlsConfig := tls.Config{
+		Certificates:       []tls.Certificate{cert},
+		InsecureSkipVerify: true,
+		RootCAs:            certPool,
+	}
+
 	clientConn, err := tls.Dial("tcp",
 		fmt.Sprintf("%s:%d", config.ServerHost, config.ServerPort),
 		&tlsConfig)