kubeadm: fix a wrong comment

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Co-authored-by: Lubomir I. Ivanov <[email protected]>

Author: mozillazg

cmd/kubeadm/app/discovery/file/file.go

@@ -98,7 +98,7 @@ func ValidateConfigInfo(config *clientcmdapi.Config, discoveryTimeout time.Durat
 			clusterinfoCM, lastError = client.CoreV1().ConfigMaps(metav1.NamespacePublic).Get(context.TODO(), bootstrapapi.ConfigMapClusterInfo, metav1.GetOptions{})
 			if lastError != nil {
 				if apierrors.IsForbidden(lastError) {
-					// If the request is unauthorized, the cluster admin has not granted access to the cluster info configmap for unauthenticated users
+					// If the request fails with a forbidden error, the cluster admin has not granted access to the cluster info configmap for anonymous clients.
 					// In that case, trust the cluster admin and do not refresh the cluster-info data
 					klog.Warningf("[discovery] Could not access the %s ConfigMap for refreshing the cluster-info information, but the TLS cert is valid so proceeding...\n", bootstrapapi.ConfigMapClusterInfo)
 					return true, nil