Merge pull request #48058 from Arhell/zh-fix

[zh] Fix grammatical error

Author: k8s-ci-robot

content/zh-cn/docs/concepts/extend-kubernetes/compute-storage-net/_index.md

@@ -73,7 +73,7 @@ fabric that links Pods together.
 <!--
 * [Network plugins](/docs/concepts/extend-kubernetes/compute-storage-net/network-plugins/)
 
-  A network plugin allow Kubernetes to work with different networking topologies and technologies.
+  Network plugins allow Kubernetes to work with different networking topologies and technologies.
   Your Kubernetes cluster needs a _network plugin_ in order to have a working Pod network
   and to support other aspects of the Kubernetes network model.