RHDHBUGS-232: Changes to RHDH 1.5 release notes (#1078)

Co-authored-by: GitHub Actions <[email protected]>

Author: jmagak

modules/release-notes/ref-release-notes-breaking-changes.adoc

@@ -23,11 +23,11 @@ The `scopes` parameter is now mandatory for the `gitlab:projectDeployToken:creat
 * link:https://issues.redhat.com/browse/RHIDP-5812[RHIDP-5812]
 
 [id="breaking-change-rhidp-5568"]
-== The `dynamicPlugins.cache.volumeClaimSpec` field is removed from the Helm Chart, dynamic plugin storage is now ephemeral
+== The `dynamicPlugins.cache.volumeClaimSpec` field is removed from the Helm Chart, dynamic plugin storage is now ephemeral by default
 
-The `dynamicPlugins.cache.volumeClaimSpec` field has been removed from `values.yaml`, making all dynamic plugin storage ephemeral by default. Instead of the Helm chart managing persistent volume claim (PVC) creation, you must now manually configure ephemeral volume claims under `extraVolumes`.
+The `dynamicPlugins.cache.volumeClaimSpec` field has been removed from `values.yaml`, making dynamic plugin storage ephemeral by default. If you want to enable plugin caching persistence, you must now manually configure a `PersistentVolumeClaim` and mount it using the `extraVolumes` and `extraVolumeMounts` fields in the Helm chart values.
 
-This change also resolves issues with running multi-replica {product-very-short} deployments, as using a PVC for the Dynamic Plugins cache previously led to potential write conflicts.
+This change also resolves issues with running multi-replica {product-very-short} deployments, as using a PVC for the Dynamic Plugins cache previously led to potential write conflicts. For more information, see link:https://docs.redhat.com/en/documentation/red_hat_developer_hub/1.5/html-single/configuring_red_hat_developer_hub/index#creating-a-pvc-for-the-dynamic-plugin-cache-using-the-helm-chart[Creating a PVC for the dynamic plugin cache using the Helm Chart].
 
 .Additional resources
 * link:https://issues.redhat.com/browse/RHIDP-5568[RHIDP-5568]