Write the return path first.
A rollback plan makes the release conversation more concrete.
Make reversal understandable
Before describing how a change reaches users, describe how the previous state can be recovered. This often reveals assumptions about compatibility, state, access, and observability that deserve explicit attention.
Use concrete steps
A useful rollback plan names the intended prior state, the condition that would trigger a return, and the observations that would show whether recovery worked. Avoid putting credentials or production secrets into the plan.
Keep the limits visible
Some changes are not fully reversible. Say so directly. A planning workspace cannot make an irreversible data migration safe; it can help record the boundaries and questions the operator needs to resolve.
Keep both plans together
Store rollout and rollback beside the checklist so the reader can understand the trade-off without reconstructing it across tools. Export a brief when a portable snapshot is useful.