fine tune powershell code for getting keycreationtime and checking for null

Author: jimmart-dev

articles/storage/common/storage-account-get-info.md

@@ -189,17 +189,19 @@ To display the creation time of the account access keys for a storage account in
 
 # [PowerShell](#tab/powershell)
 
-To return the creation time of the account access keys for a storage account with PowerShell, make sure you have installed the [Az.Storage](https://www.powershellgallery.com/packages/Az.Storage) module. Next, call the [Get-AzStorageAccount](/powershell/module/az.storage/get-azstorageaccount) command to get the **keyCreationTime** property, which includes the creation time for both keys. In the sample code below we get the **keyCreationTime** for both keys and display the value of each. We also test whether each value is null to distinguish a blank string value from a null value:
+To return the creation time of the account access keys for a storage account with PowerShell, make sure you have installed the [Az.Storage](https://www.powershellgallery.com/packages/Az.Storage) module. Next, call the [Get-AzStorageAccount](/powershell/module/az.storage/get-azstorageaccount) command to get the **keyCreationTime** property, which includes the creation time for both keys. In the sample code below we get the **keyCreationTime** for both keys and test whether each value is null:
 
 ```azurepowershell
 $rgName      = <resource-group>
 $accountName = <storage-account>
 
+# Get the keyCreationTime property of the storage account
 $keyCreationTime = (Get-AzStorageAccount -ResourceGroupName $rgName -Name $accountName).keyCreationTime
-$keyCreationTime.key1
-$keyCreationTime.key1 -eq $null
-$keyCreationTime.key2
-$keyCreationTime.key2 -eq $null
+# Display the value for both keys
+$keyCreationTime
+# Check both properties for null values
+Write-Host 'keyCreationTime.key1 is null = ' ($keyCreationTime.key1 -eq $null)
+Write-Host 'keyCreationTime.key2 is null = ' ($keyCreationTime.key2 -eq $null)
 
 ```