anchor.diff:  See also the [Amazon EC2 Mac instances User Guide](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-mac-instances.html)
   for more details on AWS EC2 Mac instances.
   
  -## Choose a VPC Layout
  +## Step 1: Choose a VPC Layout
   
   Before deploying this template you must choose a VPC subnet design, and which
   VPC security groups your instances should belong to.
  
positive.code: See the [AWS CloudFormation Deploy CLI documentation](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/cloudformation/deploy/index.html)
  for more details.
  
  ## Starting your Buildkite Agents
  
  Once you have successfully deployed the template, use the deployed stack’s
  *Resources* tab to find the `AutoScaleGroup` and open the *Physical ID* link.
  
negative.code: network interfaces should belong to. At a minimum, inbound SSH access is
  required to set up your initial template AMI.
  
  ## Step 2: Build an AMI
  
  Before deploying this template, you must create a template AMI that can be
  horizontally scaled across multiple instances.
  