Merge pull request #28565 from Shubham82/runtimeClass-docs

Improvement: Runtime Class

Author: k8s-ci-robot

content/en/docs/concepts/containers/runtime-class.md

@@ -118,7 +118,7 @@ Runtime handlers are configured through containerd's configuration at
 `/etc/containerd/config.toml`. Valid handlers are configured under the runtimes section:
 
 ```
-[plugins.cri.containerd.runtimes.${HANDLER_NAME}]
+[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.${HANDLER_NAME}]
 ```
 
 See containerd's config documentation for more details: