Update node-settings.md (elastic#123997)

* Update node-settings.md

Port change elastic#123939 forward to new docs system

* Update docs/reference/elasticsearch/configuration-reference/node-settings.md

(cherry picked from commit a06c8ea)

Author: shainaraskas

docs/reference/elasticsearch/configuration-reference/node-settings.md

@@ -46,7 +46,7 @@ The following additional roles are available:
 
 * `voting_only`
 
-$$$coordinating-only-node$$$If you leave `node.roles` unset, then the node is considered to be a [coordinating only node](docs-content://deploy-manage/distributed-architecture/clusters-nodes-shards/node-roles.md#coordinating-only-node-role).
+$$$coordinating-only-node$$$If If you set `node.roles` to an empty array (`node.roles: [ ]`), then the node is considered to be a [coordinating only node](docs-content://deploy-manage/distributed-architecture/clusters-nodes-shards/node-roles.md#coordinating-only-node-role).
 
 ::::{important}
 If you set `node.roles`, ensure you specify every node role your cluster needs. Every cluster requires the following node roles: