Merge pull request #37521 from bishal7679/patch-9

Updated `<node-to-drain>` to `<node-to-uncordon>` in kubeadm-upgrade

Author: k8s-ci-robot

content/en/docs/tasks/administer-cluster/kubeadm/kubeadm-upgrade.md

@@ -208,8 +208,8 @@ Also calling `kubeadm upgrade plan` and upgrading the CNI provider plugin is no
 - Bring the node back online by marking it schedulable:
 
   ```shell
-  # replace <node-to-drain> with the name of your node
-  kubectl uncordon <node-to-drain>
+  # replace <node-to-uncordon> with the name of your node
+  kubectl uncordon <node-to-uncordon>
   ```
 
 ## Upgrade worker nodes
@@ -289,8 +289,8 @@ without compromising the minimum required capacity for running your workloads.
 - Bring the node back online by marking it schedulable:
 
   ```shell
-  # replace <node-to-drain> with the name of your node
-  kubectl uncordon <node-to-drain>
+  # replace <node-to-uncordon> with the name of your node
+  kubectl uncordon <node-to-uncordon>
   ```
 
 ## Verify the status of the cluster