/usr/share/doc/plasma-runner-telepathy-contact-dbg/changelog.Debian.gz is in plasma-runner-telepathy-contact-dbg 0.8.0-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/plasma-runner-telepathy-contact-dbg/../plasma-runner-telepathy-contact/changelog.Debian.gz