/usr/share/lintian/overrides/libnet-nslookup-perl is in libnet-nslookup-perl 2.04-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | # Lintian sees the 'my' in the description and gets sad, but it's part
# of a perl example, and thus not really the first person.
libnet-nslookup-perl: using-first-person-in-description
|