/usr/share/doc/librrd-dev/NEWS.Debian.gz is in librrd-dev 1.5.5-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/librrd-dev/../librrd4/NEWS.Debian.gz
/usr/share/doc/librrd-dev/../librrd4/NEWS.Debian.gz