diff --git a/docs/guide/subnet.en.md b/docs/guide/subnet.en.md
index 3432242bd..fd5399969 100644
--- a/docs/guide/subnet.en.md
+++ b/docs/guide/subnet.en.md
@@ -324,7 +324,7 @@ spec:
 
 By default `kube-ovn-cni` will request the gateway using ICMP or ARP protocol after starting the
 Pod and wait for the return to verify that the network is working properly.
-Some Underlay environment gateways cannot respond to ARP requests, or scenarios that do not require external connectivity, the checking can be disabled .
+Some Underlay environment gateways cannot respond to ICMP requests, or scenarios that do not require external connectivity, the checking can be disabled .
 
 ```yaml
 apiVersion: kubeovn.io/v1
diff --git a/docs/guide/subnet.md b/docs/guide/subnet.md
index 3959dd29a..732f170ab 100644
--- a/docs/guide/subnet.md
+++ b/docs/guide/subnet.md
@@ -310,7 +310,7 @@ spec:
 ## 网关检查设置
 
 默认情况下 `kube-ovn-cni` 在启动 Pod 后会使用 ICMP 或 ARP 协议请求网关并等待返回，
-以验证网络工作正常，在部分 Underlay 环境网关无法响应 ARP 请求，或无需网络外部联通的场景
+以验证网络工作正常，在部分 Underlay 环境网关无法响应 ICMP 请求，或无需网络外部联通的场景
 可以关闭网关检查。
 
 ```yaml