diff --git a/src/azure-cli/azure/cli/command_modules/vm/_help.py b/src/azure-cli/azure/cli/command_modules/vm/_help.py
index cb0e2a5fb79..4022fc9f55d 100644
--- a/src/azure-cli/azure/cli/command_modules/vm/_help.py
+++ b/src/azure-cli/azure/cli/command_modules/vm/_help.py
@@ -1384,11 +1384,11 @@
 
 
         latest=$(az vm extension image list-versions \\
-          --publisher {publisher} -l {location} -n {extension} \\
+          --publisher ${publisher} -l ${location} -n ${extension} \\
           --query "[].name" -o tsv | sort | tail -n 1)
 
-        az vm extension image show -l {location} \\
-          --publisher {publisher} -n {extension} --version {latest}
+        az vm extension image show -l ${location} \\
+          --publisher ${publisher} -n ${extension} --version ${latest}
 """
 
 helps['vm extension list'] = """
@@ -1461,9 +1461,9 @@
   - name: Deallocate, generalize, and capture multiple stopped virtual machines.
     text: |
         vms_ids=$(az vm list -g MyResourceGroup --query "[].id" -o tsv)
-        az vm deallocate --ids {vms_ids}
-        az vm generalize --ids {vms_ids}
-        az vm capture --ids {vms_ids} --vhd-name-prefix MyPrefix
+        az vm deallocate --ids ${vms_ids}
+        az vm generalize --ids ${vms_ids}
+        az vm capture --ids ${vms_ids} --vhd-name-prefix MyPrefix
 
 """
 
@@ -1709,7 +1709,7 @@
     text: >
         latest=$(az vm image list -p OpenLogic -s 7.3 --all --query \\
             "[?offer=='CentOS'].version" -o tsv | sort -u | tail -n 1)
-        az vm image show -l westus -f CentOS -p OpenLogic --sku 7.3 --version {latest}
+        az vm image show -l westus -f CentOS -p OpenLogic --sku 7.3 --version ${latest}
   - name: Get the details for a VM image available in the Azure Marketplace. (autogenerated)
     text: |
         az vm image show --location westus --urn publisher:offer:sku:version