diff --git a/specification/compute/resource-manager/Microsoft.Compute/stable/2019-07-01/disk.json b/specification/compute/resource-manager/Microsoft.Compute/stable/2019-07-01/disk.json
index 4f5ab9319edf..ca5f4aad842a 100644
--- a/specification/compute/resource-manager/Microsoft.Compute/stable/2019-07-01/disk.json
+++ b/specification/compute/resource-manager/Microsoft.Compute/stable/2019-07-01/disk.json
@@ -1575,7 +1575,7 @@
         },
         "storageAccountId": {
           "type": "string",
-          "description": "If createOption is Import, the Azure Resource Manager identifier of the storage account containing the blob to import as a disk. Required only if the blob is in a different subscription"
+          "description": "Required if createOption is Import. The Azure Resource Manager identifier of the storage account containing the blob to import as a disk."
         },
         "imageReference": {
           "$ref": "#/definitions/ImageDiskReference",