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not really the en present for en-US and en-GB present for en-UK you can give a try

The image shows a file directory with folders containing ".yml" files for translations, and an arrow pointing to a highlighted folder named "sv.yml." (Captioned by AI)
The image shows a file directory with folders containing ".yml" files for translations, and an arrow pointing to a highlighted folder named "sv.yml." (Captioned by AI)1216×990 62.1 KB

you can give a try but yeah that’s not a big deal as long as I know the right way to reference the proper file which is “-” instead of “_” is good enough.