Merge pull request #88913 from openshift-cherrypick-robot/cherry-pick-88269-to-enterprise-4.15

[enterprise-4.15] IPI docs update

Author: mburke5678

modules/installation-configuration-parameters.adoc

@@ -727,44 +727,44 @@ ifdef::ibm-power-vs[]
 |platform:
   powervs:
     serviceInstanceGUID:
-|The ServiceInstanceGUID is the ID of the Power IAAS instance created from the {ibm-cloud-name} Catalog.
+|Specifies the ID of the Power IAAS instance created from the {ibm-cloud-name} Catalog.
 |String. For example, `existing_service_instance_GUID`.
 
 |platform:
   powervs:
     clusterOSImage:
-|The ClusterOSImage is a pre-created {ibm-power-server-name} boot image that overrides the default image for cluster nodes.
+|Specifies a pre-created {ibm-power-server-name} boot image that overrides the default image for cluster nodes.
 |String. For example, `existing_cluster_os_image`.
 
 |platform:
   powervs:
     defaultMachinePlatform:
-|The DefaultMachinePlatform is the default configuration used when installing on {ibm-power-server-name} for machine pools that do not define their own platform configuration.
+|Specifies the default configuration used when installing on {ibm-power-server-name} for machine pools that do not define their own platform configuration.
 |String. For example, `existing_machine_platform`.
 
 |platform:
   powervs:
     memoryGiB:
-|The size of a virtual machine's memory, in GB.
+|Specifies the size of a virtual machine's memory, in GB.
 |The valid integer must be an integer number of GB that is at least 2 and no more than 64, depending on the machine type.
 
 |platform:
   powervs:
     procType:
-|The ProcType defines the processor sharing model for the instance.
+|Defines the processor sharing model for the instance.
 |The valid values are Capped, Dedicated, and Shared.
 
 |platform:
   powervs:
     processors:
-|The Processors defines the processing units for the instance.
+|Defines the processing units for the instance.
 |The number of processors must be from .5 to 32 cores. The processors must be in increments of .25.
 
 |platform:
   powervs:
     sysType:
-|The SysType defines the system type for the instance.
-|The system type must be either `e980` or `s922`.
+|Defines the system type for the instance.
+|The system type must be `e980`, `s922`, `e1080`, or `s1022`. The available system types depend on the zone you want to target.
 endif::ibm-power-vs[]
 |====
 [.small]