avahi-service-type
"Return a service that runs @command{avahi-daemon}, a system-wide
mDNS/DNS-SD responder that allows for service discovery and
-\"zero-configuration\" host name lookups (see @uref{http://avahi.org/}), and
+\"zero-configuration\" host name lookups (see @uref{https://avahi.org/}), and
extends the name service cache daemon (nscd) so that it can resolve
@code{.local} host names using
@uref{http://0pointer.de/lennart/projects/nss-mdns/, nss-mdns}. Additionally,