2.0 Migration doc example with wrong definition

[LeoDiazL]

Why are you updating / adding this documentation?
2.0 Migration doc says:

Old method

terraform:
  cli: {}
  options:
    command: apply

New method

terraform:
  cli:
    stack-action: apply

Should say

Old method

terraform:
  cli: {}
  options:
    command: apply

New method

terraform:
    cli: {}
    options:
        stack-action: apply

Additional context
Add any other context or screenshots about the feature request here.