On the pages with the upgrade (and installation?) instructions, it might be a little bit clearer to add the words "and including" twice, so that you would end up with
When copying, make sure to include all the text starting with and including "‑‑‑BEGIN LICENSE‑‑‑" up through and including "‑‑‑END LICENSE‑‑‑". Use Ctrl+C to copy or right mouse click on the selected text and choose "Copy".
Good luck.
D.