Owning a method includes allowing it to change when another person sees something useful. Separate the purpose of the work from attachment to the version you created.
Ask contributors to explain the problem they noticed and demonstrate the proposed improvement. Examine it against the same standards you would apply to your own idea.
Test the contribution
In a fictional reporting process, an administrator proposes a shorter field label and a clearer example. Trial the revision with an appropriate user. Check whether it improves understanding and preserves the information the reviewer needs.
Credit the contribution accurately. If the suggestion creates a problem elsewhere, explain the trade-off and work towards another version. A respectful refusal should still show that the idea was considered on its merits.
Keep the decision and its reason visible where several people maintain the process. This prevents the next editor from unknowingly undoing useful learning. The result can remain your responsibility while becoming better through someone else's judgement. That is a practical form of ownership capable of surviving beyond the original author's immediate involvement.