Merge pull request #39065 from Shubham82/add_shell_code_snippet

Improvement: Added shell code block snippet to the commands.

Author: k8s-ci-robot

content/en/docs/tutorials/security/cluster-level-pss.md

@@ -315,9 +315,14 @@ following:
 
 ## Clean up
 
-Run `kind delete cluster --name psa-with-cluster-pss` and
-`kind delete cluster --name psa-wo-cluster-pss` to delete the clusters you
-created.
+Now delete the clusters which you created above by running the following command:
+
+```shell
+kind delete cluster --name psa-with-cluster-pss
+```
+```shell
+kind delete cluster --name psa-wo-cluster-pss
+```
 
 ## {{% heading "whatsnext" %}}
 

content/en/docs/tutorials/security/ns-level-pss.md

@@ -155,7 +155,11 @@ with no warnings.
 
 ## Clean up
 
-Run `kind delete cluster --name psa-ns-level` to delete the cluster created.
+Now delete the cluster which you created above by running the following command:
+
+```shell
+kind delete cluster --name psa-ns-level
+```
 
 ## {{% heading "whatsnext" %}}