I would edit the document, and first show them the edited version, and if they are happy with that, upload it to the site. You are doing this pro-bona, so you are actually doing them an even bigger favour by correcting mistakes.
I always correct any grammar/spelling mistakes of my clients before publishing anything.
Kraai
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Kraai
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I would add that you should always get confirmation/approval from your client before publishing something on their behalf that you have altered - purely from the legal liability perspective.
happygeek
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