The language code of Korean

[jinhanpae]

There is a typo in the illustration of the lang code for Korean. (the "Document Language" tab)

The language code of Korean is "ko", not "kr"

You may also consider changing the file name of the Korean language translation from "_language-kr.yml" to "_language-ko.yml"

[cscheid]

Thanks for the report! This is a bug, tracking on #4187.