Param description bug fix for OCPBUGS-56815

Author: maxwelldb

modules/installation-configuration-parameters.adoc

@@ -1277,12 +1277,21 @@ The value can also be the name of an existing Glance image, for example `my-rhco
 You can use this property to exceed the default persistent volume (PV) limit for {rh-openstack} of 26 PVs per node. To exceed the limit, set the `hw_scsi_model` property value to `virtio-scsi` and the `hw_disk_bus` value to  `scsi`.
 
 You can also use this property to enable the QEMU guest agent by including the `hw_qemu_guest_agent` property with a value of `yes`.
-|A list of key-value string pairs. For example, `["hw_scsi_model": "virtio-scsi", "hw_disk_bus": "scsi"]`.
+|A set of string properties. For example:
+
+[source,yaml]
+----
+clusterOSImageProperties:
+    hw_scsi_model: "virtio-scsi"
+    hw_disk_bus: "scsi"
+    hw_qemu_guest_agent: "yes"
+----
 
 |platform:
   openstack:
     controlPlanePort:
       fixedIPs:
+
 |Subnets for the machines to use.
 |A list of subnet names or UUIDs to use in cluster installation.