docs/builder/azure-arm: Fix a small typo for the custom_managed_image_* config options

Closes #9199

builder/azure/arm/config.go

@@ -183,19 +183,20 @@ type Config struct {
 	// CLI example
 	// `az vm image list --location westus --publisher Canonical --offer UbuntuServer --sku 16.04.0-LTS --all`
 	ImageVersion string `mapstructure:"image_version" required:"false"`
-	// URL to a custom VHD to use for your base image. If this value is set, do
-	// not set image_publisher, image_offer, image_sku, or image_version.
+	// URL to a custom VHD to use for your base image. If this value is set,
+	// image_publisher, image_offer, image_sku, or image_version should not be set.
 	ImageUrl string `mapstructure:"image_url" required:"true"`
 	// Name of a custom managed image to use for your base image. If this value is set, do
 	// not set image_publisher, image_offer, image_sku, or image_version.
-	// If this value is set, the value
+	// If this value is set, the option
 	// `custom_managed_image_resource_group_name` must also be set. See
 	// [documentation](https://docs.microsoft.com/en-us/azure/storage/storage-managed-disks-overview#images)
 	// to learn more about managed images.
 	CustomManagedImageName string `mapstructure:"custom_managed_image_name" required:"true"`
 
 	// Name of a custom managed image's resource group to use for your base image. If this
-	// value is set, image_publisher, image_offer, image_sku, or image_version.
+	// value is set, image_publisher, image_offer, image_sku, or image_version should not be set.
+	// If this value is set, the option
 	// `custom_managed_image_name` must also be set. See
 	// [documentation](https://docs.microsoft.com/en-us/azure/storage/storage-managed-disks-overview#images)
 	// to learn more about managed images.

website/pages/partials/builder/azure/arm/Config-required.mdx

@@ -20,18 +20,19 @@
     CLI example
     `az vm image list-skus --location westus --publisher Canonical --offer UbuntuServer`
     
--   `image_url` (string) - URL to a custom VHD to use for your base image. If this value is set, do
-    not set image_publisher, image_offer, image_sku, or image_version.
+-   `image_url` (string) - URL to a custom VHD to use for your base image. If this value is set,
+    image_publisher, image_offer, image_sku, or image_version should not be set.
     
 -   `custom_managed_image_name` (string) - Name of a custom managed image to use for your base image. If this value is set, do
     not set image_publisher, image_offer, image_sku, or image_version.
-    If this value is set, the value
+    If this value is set, the option
     `custom_managed_image_resource_group_name` must also be set. See
     [documentation](https://docs.microsoft.com/en-us/azure/storage/storage-managed-disks-overview#images)
     to learn more about managed images.
     
 -   `custom_managed_image_resource_group_name` (string) - Name of a custom managed image's resource group to use for your base image. If this
-    value is set, image_publisher, image_offer, image_sku, or image_version.
+    value is set, image_publisher, image_offer, image_sku, or image_version should not be set.
+    If this value is set, the option
     `custom_managed_image_name` must also be set. See
     [documentation](https://docs.microsoft.com/en-us/azure/storage/storage-managed-disks-overview#images)
     to learn more about managed images.