/usr/share/myspell/dicts/ko.aff is in hunspell-ko 0.5.6-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/myspell/dicts/../../hunspell/ko.aff
/usr/share/myspell/dicts/../../hunspell/ko.aff