Update CLUSTER_MGMT.md

doc/CLUSTER_MGMT.md

@@ -24,7 +24,7 @@ To join a second node to this leader, execute the following command on _host2_:
 ```bash
 host2:$ rqlited -join http://host1:4001 ~/node
 ```
-_If a node receives a join request, and that node is not actually the leader of the cluster, the receiving node will automatically redirect the requesting node to the leader node._
+_If a node receives a join request, and that node is not actually the leader of the cluster, the receiving node will automatically redirect the requesting node to the leader node. As a result a node can actually join a cluster by contacting any node in the cluster._
 
 Once executed you now have a cluster of two nodes. Of course, for fault-tolerance you need a 3-node cluster, so launch a third node like so on _host3_:
 ```bash