/usr/share/doc/kde/HTML/en/systemsettings/common is in systemsettings 4:4.11.13-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/kde/HTML/en/systemsettings/../common
/usr/share/doc/kde/HTML/en/systemsettings/../common