diff --git a/docs/start/one-step-install.en.md b/docs/start/one-step-install.en.md
index 209f7d9ce..06626a33c 100644
--- a/docs/start/one-step-install.en.md
+++ b/docs/start/one-step-install.en.md
@@ -119,5 +119,5 @@ REVISION: 1
 TEST SUITE: None
 
 # Highly Available Cluster Installation
-$ helm install kube-ovn kubeovn/kube-ovn --set MASTER_NODES=${Node0IP},${Node1IP},${Node2IP}, --set replicaCount=3
+$ helm install kube-ovn kubeovn/kube-ovn --set MASTER_NODES=${Node0IP}\,${Node1IP}\,${Node2IP} --set replicaCount=3
 ```
diff --git a/docs/start/one-step-install.md b/docs/start/one-step-install.md
index b744fa66d..450d76232 100644
--- a/docs/start/one-step-install.md
+++ b/docs/start/one-step-install.md
@@ -118,5 +118,5 @@ REVISION: 1
 TEST SUITE: None
 
 # 高可用集群安装
-$ helm install kube-ovn kubeovn/kube-ovn --set MASTER_NODES=${Node0IP},${Node1IP},${Node2IP}, --set replicaCount=3
+$ helm install kube-ovn kubeovn/kube-ovn --set MASTER_NODES=${Node0IP}\,${Node1IP}\,${Node2IP} --set replicaCount=3
 ```