OPCBUGS-36928:Enabling swap node clarification

Author: brendan-daly-red-hat

modules/nodes-nodes-swap-memory.adoc

@@ -10,7 +10,10 @@
 :FeatureName: Enabling swap memory use on nodes
 include::snippets/technology-preview.adoc[]
 
-You can enable swap memory use for {product-title} workloads on a per-node basis.
+[NOTE]
+====
+Enabling swap memory is only available for container-native virtualization (CNV) users or use cases.
+====
 
 [WARNING]
 ====