/usr/share/man/man8/update-default-aspell.8.gz is in dictionaries-common 1.20.5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man8/update-dictcommon-aspell.8.gz
/usr/share/man/man8/update-dictcommon-aspell.8.gz