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Yes, you can. 😊
You need to use the customLabels option like:
customLabels="{"google":"guuugl"}"
Keys would be google, apple, ms365, msteams, outlookcom, yahoo, ical.
You can find more details at: https://add-to-calendar-button.com/advanced-use#case-4
The PRO version offers an even easier way of customizing those things, if you want to check this out as well.
All the best!