Merge pull request #91675 from jneczypor/OSDOCS-5612

OSDOCS-5612: Labeling the default machine pool

Author: EricPonvelle

rosa_cluster_admin/rosa_nodes/rosa-nodes-machinepools-about.adoc

@@ -56,6 +56,26 @@ You cannot change the machine pool node type or size. The machine pool node type
 ====
 * You can add a label to each added machine pool.
 
+.Procedure
+
+* *Optional:* Add a label to the default machine pool after configuration by using the default machine pool labels and running the following command:
++
+[source,terminal]
+---- 
+$ rosa edit machinepool -c <cluster_name> <machinepool_name> -i
+----
++
+.Example input
++
+[source,terminal]
+----
+$ rosa edit machinepool -c mycluster worker -i
+? Enable autoscaling: No
+? Replicas: 3
+? Labels: mylabel=true
+I: Updated machine pool 'worker' on cluster 'mycluster'
+----
+
 ifdef::openshift-rosa-hcp[]
 === Machine pool upgrade requirements