Merge pull request #51571 from skopacz1/OCP2082_admonition

OCPBUGS#2082 - Admonition wording update

Author: lpettyjo

storage/persistent_storage/persistent-storage-iscsi.adoc

@@ -31,10 +31,13 @@ By default, they are ports `860` and `3260`.
 
 [IMPORTANT]
 ====
-OpenShift assumes that all nodes in the cluster have already configured the iSCSI
-initiator, that is, users have installed the `iscsi-initiator-utils` package and configured
-their initiator name in `/etc/iscsi/initiatorname.iscsi`. See Storage
-Administration Guide linked above.
+Users must ensure that the iSCSI initiator is already configured on all 
+{product-title} nodes by installing the `iscsi-initiator-utils` 
+package and configuring their initiator name in `/etc/iscsi/initiatorname.iscsi`. 
+The `iscsi-initiator-utils` package is already installed on deployments 
+that use {op-system-first}.
+
+For more information, see https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html-single/managing_storage_devices/index#configuring-an-iscsi-initiator_managing-storage-devices[Managing Storage Devices].
 ====
 
 include::modules/storage-persistent-storage-iscsi-provisioning.adoc[leveloffset=+1]