RN feedback followup in main docs for ultra disks

Author: jeana-redhat

modules/machineset-azure-ultra-disk.adoc

@@ -16,10 +16,10 @@ endif::[]
 
 :_content-type: CONCEPT
 [id="machineset-azure-ultra-disk_{context}"]
-ifdef::mapi[= Machine sets that deploy machines on ultra disks as data disks]
-ifdef::pvc[= Machine sets that deploy machines on ultra disks using PVCs]
+ifdef::mapi[= Machine sets that deploy machines with ultra disks as data disks]
+ifdef::pvc[= Machine sets that deploy machines with ultra disks using PVCs]
 
-You can create a machine set running on Azure that deploys machines on ultra disks. Ultra disks are high-performance storage that are intended for use with the most demanding data workloads.
+You can create a machine set running on Azure that deploys machines with ultra disks. Ultra disks are high-performance storage that are intended for use with the most demanding data workloads.
 
 ifdef::mapi[]
 You can also create a persistent volume claim (PVC) that dynamically binds to a storage class backed by Azure ultra disks and mounts them to pods.
@@ -31,7 +31,7 @@ Data disks do not support the ability to specify disk throughput or disk IOPS. Y
 endif::mapi[]
 
 ifdef::pvc[]
-Both the in-tree plug-in and CSI driver support using PVCs to enable ultra disks. You can also deploy machines on ultra disks as data disks without creating a PVC. 
+Both the in-tree plug-in and CSI driver support using PVCs to enable ultra disks. You can also deploy machines with ultra disks as data disks without creating a PVC. 
 endif::pvc[]
 
 ifeval::["{context}" == "creating-machineset-azure"]

modules/machineset-creating-azure-ultra-disk.adoc

@@ -16,9 +16,9 @@ endif::[]
 
 :_content-type: PROCEDURE
 [id="machineset-creating-azure-ultra-disk_{context}"]
-= Creating machines on ultra disks by using machine sets
+= Creating machines with ultra disks by using machine sets
 
-You can deploy machines on ultra disks on Azure by editing your machine set YAML file.
+You can deploy machines with ultra disks on Azure by editing your machine set YAML file.
 
 .Prerequisites
 
@@ -113,7 +113,7 @@ endif::mapi[]
 $ oc edit machineset <machine-set-name>
 ----
 +
-where `<machine-set-name>` is the machine set that you want to provision machines on ultra disks.
+where `<machine-set-name>` is the machine set that you want to provision machines with ultra disks.
 
 . Add the following lines in the positions indicated:
 +