-dynamic domain. Then change the configuration section at the top to match your
-setup. Note that the script can update a list of domain names, in case you need
-the machine to have several names (it is preferable to use a CNAME instead, this
-will reduce the number of updates performed in the zone). The ``serverIPv4`` and
-``serverIPv6`` are only used if IPv4/IPv6 is enabled. These machines must be
-available with that protocol only, otherwise it is not possible to reliably
-detect the current external address.
+dynamic domain. Also copy the sample configuration file
+``dyn-ns-client.conf.dist`` to ``$HOME/.config/dyn-nsupdate/dyn-ns-client.conf``.
+You can choose another name, but then you will have to tell the script about it.
+Call ``dyn-ns-client --help`` for this and other options the script accepts. An
+important aspect of configuration is how to detect the current addresses of the
+machine the script is running on. For IPv4, this can only be "web", which can
+deal with NAT. For IPv6, the script can alternatively attempt to detect the
+correct local address to use. The sample file contains comments that should
+explain everything.
+
+Note that the script can update a list of domain names, in case you need the
+machine to have several names. It is preferable to use a CNAME instead, this
+will reduce the number of updates performed in the zone.