Wqay to remove a system message for unexpected content?

Hi there!
I see the following error in my admin panel

There are 1 missing files or files with unexpected contents. You should review these.
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When I click on that erro I see that :

Check completed on 15,062 files. The files listed below have contents different from those originally downloaded.

If you have edited these files yourself, you may ignore this message, otherwise you should investigate further as this may be evidence of corrupted or altered files.
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The file...

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