fix: error message

content/en/docs/reference/kubectl/cheatsheet.md

@@ -68,7 +68,7 @@ kubectl config get-contexts                          # display list of contexts
 kubectl config current-context                       # display the current-context
 kubectl config use-context my-cluster-name           # set the default context to my-cluster-name
 
-# add a new cluster to your kubeconf that supports basic auth
+# add a new user to your kubeconf that supports basic auth
 kubectl config set-credentials kubeuser/foo.kubernetes.com --username=kubeuser --password=kubepassword
 
 # permanently save the namespace for all subsequent kubectl commands in that context.