Editing Openai/6919cf2b-44b0-8009-b3bb-8edf9b93c11c (section)

=== Assistant: Good question — and it’s great that you’re being careful here. ===
Good question — and it’s great that you’re being careful here.

On Wikimedia Commons, when you’re uploading an adapted or modified version of someone else’s work under CC BY-SA, the safest and most correct option is:

: 

Even if you made significant changes or it’s “mostly by you,” Commons’ policy still treats it as a derivative, not “entirely your own.”

The phrase “mostly by me” is not sufficient for copyright purposes — because even one part of another person’s CC-licensed work means it’s derived from theirs, and proper attribution and license continuity (the “SA” part) are required.

So to be 100% clear for Wikimedia Commons:

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If you’d like, you can paste the link to the original Wikipedia Commons image here, and I’ll write you a ready-to-copy attribution and description that fits Commons perfectly.