diff --git a/content/en/docs/concepts/services-networking/service.md b/content/en/docs/concepts/services-networking/service.md
index b57fe5001b..c62d29ea51 100644
--- a/content/en/docs/concepts/services-networking/service.md
+++ b/content/en/docs/concepts/services-networking/service.md
@@ -957,7 +957,8 @@ groups are modified with the following IP rules:
 
 | Rule | Protocol | Port(s) | IpRange(s) | IpRange Description |
 |------|----------|---------|------------|---------------------|
-| Health Check | TCP | NodePort(s) (`.spec.healthCheckNodePort` for `.spec.externalTrafficPolicy = Local`) | VPC CIDR | kubernetes.io/rule/nlb/health=\<loadBalancerName\> |
+| Health Check | TCP | NodePort(s) (`.spec.healthCheckNodePort` for `.spec.externalTrafficPolicy = Local`) | Subnet CIDR | kubernetes.io/rule/nlb/health=\<loadBalancerName\> |
+
 | Client Traffic | TCP | NodePort(s) | `.spec.loadBalancerSourceRanges` (defaults to `0.0.0.0/0`) | kubernetes.io/rule/nlb/client=\<loadBalancerName\> |
 | MTU Discovery | ICMP | 3,4 | `.spec.loadBalancerSourceRanges` (defaults to `0.0.0.0/0`) | kubernetes.io/rule/nlb/mtu=\<loadBalancerName\> |