How to write an update note when a source changes without rewriting the whole page

An update note should tell readers what changed in the source and which part of the page was affected, without forcing them to reread everything.

Start with the smallest changed claim. If a support page changed its plan limits, do not rewrite the whole summary as if the product was new. If a PDF moved to a new URL but the content stayed the same, note the link change and keep the claim stable. If a changelog corrected a version number, update the sentence that used the wrong number and add a short note explaining the correction.

A useful update note has four parts: date checked, source that changed, affected claim, and action taken. For example: “Checked 2026-06-24: the support page now lists export access on Pro and Team plans, so the plan-limit sentence was updated.” That is enough for a reader to understand whether their saved interpretation changed.

Avoid vague notes such as “updated for accuracy.” They do not tell readers what changed or whether the update matters. Also avoid rewriting stable sections because a single source line changed; unnecessary rewriting makes future comparison harder.

The practical goal is continuity. Readers should see the page as maintained, not as a new record pretending the old version never existed.

How to write an update note when a source changes without rewriting the whole page

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