Interactive Video

I have an issue for language translate, 

I made a ko.json and so what's next? just move to the language folder, that's it?

how to update the json file? help me update the translate  

Hello,

I'm trying to use H5P in my Moodle 3.9 LMS. However, when I try to attach a H5P activity of the type interactive video it stays loading and loading. How long should I wait ?

It doesn't happen to other types.

Thanks,

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