Wikipedia:Revert only when necessary

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Shortcuts WP:ROWN WP:ONLYREVERT WP:REVERTRARELY WP:RVONLYNEC

Reverting is reversing a prior edit, in whole or in part. Revert vandalism upon sight but revert an edit made in good faith only after careful consideration. It is usually preferable to make an edit that retains at least some elements of a questionable prior edit than to revert it entirely. Your bias should be toward keeping as much of the prior edit as possible.

Do not revert a change simply because you find it "unnecessary". This is a violation of the Wikipedia:Ownership of content policy. Only revert a change if you believe it is detrimental to the article.