ENG-12318: Removes text about Kueue being optional; adds note about s…

…ingle cluster queue; clarifies that all of the objects are Kueue objects

modules/overview-of-kueue-resources.adoc

@@ -7,7 +7,7 @@
 // ENG-12318: Commenting out references to multiple cluster queues for now, and replacing with edited version
 //Cluster administrators can configure Kueue resource flavors, cluster queues, and local queues to manage distributed workload resources across multiple nodes in an OpenShift cluster.
 // When multiple cluster queues are supported, delete the following line and uncomment the previous line.
-Cluster administrators can configure Kueue resource flavors, cluster queue, and local queues to manage distributed workload resources across multiple nodes in an OpenShift cluster.
+Cluster administrators can configure Kueue objects (such as resource flavors, a cluster queue, and local queues) to manage distributed workload resources across multiple nodes in an OpenShift cluster.
 
 == Resource flavor
 The Kueue `ResourceFlavor` object describes the resource variations that are available in a cluster. 
@@ -77,6 +77,13 @@ The Kueue `ClusterQueue` object manages a pool of cluster resources such as pods
 // When multiple cluster queues are supported, delete the following line and uncomment the previous line.
 A cluster queue can reference multiple resource flavors.
 
+ifndef::upstream[]
+
+[NOTE]
+====
+In {productname-short} {vernum}, {org-name} supports only a single cluster queue per cluster.
+====
+endif::[]
 
 Cluster administrators can configure a cluster queue to define the resource flavors that the queue manages, and assign a quota for each resource in each resource flavor.
 // ENG-12318: Commenting out references to multiple cluster queues for now
@@ -123,8 +130,8 @@ Cluster administrators can configure local queues to specify the project name an
 Each local queue then grants access to the resources that its specified cluster queue manages.
 A cluster administrator can optionally define one local queue in a project as the default local queue for that project.
 
-When configuring a distributed workload, the user can specify the local queue name.
-If a cluster administrator configured a default local queue, or if not using Kueue to manage resources, the user can omit the local queue specification from the distributed workload code.
+When configuring a distributed workload, the user specifies the local queue name.
+If a cluster administrator configured a default local queue, the user can omit the local queue specification from the distributed workload code.
 
 Kueue allocates the resources for a distributed workload from the cluster queue that is associated with the local queue, if the total requested resources are within the quota limits specified in that cluster queue.