anchor.diff:  network interfaces should belong to. At a minimum, inbound SSH access is
   required to set up your initial template AMI.
   
  -## Build an AMI
  +## Step 2: Build an AMI
   
   Before deploying this template, you must create a template AMI that can be
   horizontally scaled across multiple instances.
  
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: license. Open the *Associated AMIs* tab and choose *Associate AMI*. From the
  list of *Available AMIs*, select your macOS AMIs and then click *Associate*.
  
  ## Step 4: Deploy the CloudFormation template
  
  Using the VPC and AMI prepared earlier, prepare values for the following
  required parameters:
  