/usr/share/doc/libpkcs11-helper1-dev/changelog.Debian.gz is in libpkcs11-helper1-dev 1.22-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libpkcs11-helper1-dev/../libpkcs11-helper1/changelog.Debian.gz