The strings are found in the update-manager package.
https://git.launchpad.net/ubuntu/+source/update-notifier/tree/src/update.c?h=ubuntu/impish#n593
The strings are found in the update-manager package.
https:/ /git.launchpad. net/ubuntu/ +source/ update- notifier/ tree/src/ update. c?h=ubuntu/ impish# n593