proofread

Author: Michael Burke

modules/mco-update-boot-images-aws.adoc

@@ -118,10 +118,10 @@ $ export ARCH=<architecture_type>
 Replace `<architecture_type>` with one of the following values: 
 +
 --
-* `aarch64` for the AArch64 or ARM64 architecture
-* `ppc64le` for the {ibm-power-name} (ppc64le) architecture
-* `s390x` for the {ibm-z-name} and {ibm-linuxone-name} (s390x) architecture
-* `x86_64` for the x86_64 or AMD64 architecture
+* Specify `aarch64` for the AArch64 or ARM64 architecture.
+* Specify `ppc64le` for the {ibm-power-name} (ppc64le) architecture.
+* Specify `s390x` for the {ibm-z-name} and {ibm-linuxone-name} (s390x) architecture.
+* Specify `x86_64` for the x86_64 or AMD64 architecture.
 --
 +
 You can find the architecture as a label in any `MachineSet` object.
@@ -137,7 +137,7 @@ metadata:
 # ...
 ----
 
-.. Set an environment variable with the new boot image AMI by running the following command:
+.. Set an environment variable with the AMI of the new boot image by running the following command:
 +
 [source,terminal]
 ----
@@ -177,7 +177,7 @@ This command returns the AMIs ordered by creation date, with the latest images f
 +
 Make note of the {op-system-first} version for later use.
 
-.. Set an environment variable with the new boot image AMI by running the following command:
+.. Set an environment variable with the AMI of the new boot image by running the following command:
 +
 [source,terminal]
 ----
@@ -209,8 +209,10 @@ $ oc patch machineset <machineset-name> -n openshift-machine-api --type merge -p
 ----
 +
 Replace `<machineset_name>` with the name of your machine set.
++
+`AMI_ID` is the environment variable you created in a previous step.
 
-. If boot image skew enforcement is set to manual in your cluster, update the boot image version in the `MachineConfiguration` object as described in "Updating the boot image skew enforcement version."
+. If boot image skew enforcement in your cluster is set to the manual mode, update the boot image version in the `MachineConfiguration` object as described in "Updating the boot image skew enforcement version."
 
 .Verification
 
@@ -272,6 +274,8 @@ where:
 $ echo ${RHCOS_URL}
 ----
 +
+`RHCOS_URL` is the environment variable you created in a previous step.
++
 .Example output
 [source,terminal]
 ----