Merge pull request #52393 from Rablet/main

Fix indentation of kubelet, kubeadm, kubectl install commands

Author: k8s-ci-robot

content/en/docs/setup/production-environment/tools/kubeadm/install-kubeadm.md

@@ -309,11 +309,11 @@ exist by default, and it should be created before the curl command.
 
 3. Install kubelet, kubeadm and kubectl:
 
-For systems with DNF:
+   For systems with DNF:
    ```shell
    sudo yum install -y kubelet kubeadm kubectl --disableexcludes=kubernetes
    ```
-For systems with DNF5:
+   For systems with DNF5:
    ```shell
    sudo yum install -y kubelet kubeadm kubectl --setopt=disable_excludes=kubernetes
    ```