=head1 DESCRIPTION
-Send a signal to the lei-daemon. C<SIGNAL> defaults to C<TERM>.
+Send a signal to the L<lei-daemon(8)>. C<SIGNAL> defaults to C<TERM>.
+
+This command should be run after updating the code of lei.
+
+=head1 SIGNALS
+
+=over 8
+
+=item SIGTERM
+
+Send a graceful termination signal. L<lei-daemon(8)> will exit
+when all currently running lei commands are done. The listen
+socket will be released as soon as the signal is processed
+so another L<lei-daemon(8)> process can take its place.
+
+=item SIGKILL
+
+Kills L<lei-daemon(8)> immediately. Some worker processes may
+remain running after a short while after this takes effect.
+
+=back
+
+=for comment
+SIGQUIT and SIGINT currently do what SIGTERM do, may change...
=head1 CONTACT
Feedback welcome via plain-text mail to L<mailto:meta@public-inbox.org>
-The mail archives are hosted at L<https://public-inbox.org/meta/>
-and L<http://hjrcffqmbrq6wope.onion/meta/>
+The mail archives are hosted at L<https://public-inbox.org/meta/> and
+L<http://4uok3hntl7oi7b4uf4rtfwefqeexfzil2w6kgk2jn5z2f764irre7byd.onion/meta/>
=head1 COPYRIGHT
-Copyright 2021 all contributors L<mailto:meta@public-inbox.org>
+Copyright all contributors L<mailto:meta@public-inbox.org>
License: AGPL-3.0+ L<https://www.gnu.org/licenses/agpl-3.0.txt>
=head1 SEE ALSO
-L<lei-daemon-pid(1)>
+L<lei-daemon-pid(1)>, L<lei-daemon(8)>