Changes per tech review

Author: TomArcherMsft

quickstart/101-resource-group/readme.md

@@ -4,15 +4,15 @@ This template deploys an Azure resource group with a random name beginning with
 
 ## Terraform resource types
 
-- [random_uuid](https://registry.terraform.io/providers/hashicorp/random/latest/docs/resources/uuid)
+- [random_pet](https://registry.terraform.io/providers/hashicorp/random/latest/docs/resources/pet)
 - [azurerm_resource_group](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/resource_group)
 
 ## Variables
 
 | Name | Description |
 |-|-|
-| `resource_group_name_prefix` | (Optional) Prefix of the resource group name that's combined with a random number so name is unique in your Azure subscription. |
-| `resource_group_location` | (Optional) The Azure Region to deploy these resources in |
+| `resource_group_name_prefix` | (Optional) Prefix of the resource group name that's combined with a random ID so name is unique in your Azure subscription. Value defaults to: rg|
+| `resource_group_location` | (Optional) Azure Region in which to deploy these resources. Value defaults to: eastus |
 
 ## Example