Update ingress-controllers.md (#33408)

* Update ingress-controllers.md

Signed-off-by: bin.hui <[email protected]>

* Update content/zh/docs/concepts/services-networking/ingress-controllers.md

Co-authored-by: Qiming Teng <[email protected]>

* Update content/zh/docs/concepts/services-networking/ingress-controllers.md

Co-authored-by: Qiming Teng <[email protected]>

Co-authored-by: Qiming Teng <[email protected]>

Author: ihuibin

content/zh/docs/concepts/services-networking/ingress-controllers.md

@@ -158,8 +158,9 @@ You mark an IngressClass as default by setting the [`ingressclass.kubernetes.io/
 Ideally, all ingress controllers should fulfill this specification, but the various ingress
 controllers operate slightly differently.
 -->
-如果你不为 Ingress 指定一个 IngressClass，并且你的集群中只有一个 IngressClass 被标记为了集群默认，那么
-Kubernetes 会[应用](/zh/docs/concepts/services-networking/ingress/#default-ingress-class)此默认
+如果你不为 Ingress 指定 IngressClass，并且你的集群中只有一个 IngressClass 被标记为默认，那么
+Kubernetes 会将此集群的默认 IngressClass
+[应用](/zh/docs/concepts/services-networking/ingress/#default-ingress-class)到 Ingress 上。
 IngressClass。
 你可以通过将
 [`ingressclass.kubernetes.io/is-default-class` 注解](/zh/docs/reference/labels-annotations-taints/#ingressclass-kubernetes-io-is-default-class)