diff --git a/krebs/3modules/retiolum.nix b/krebs/3modules/retiolum.nix
index 61b4473e1..6708ae9e4 100644
--- a/krebs/3modules/retiolum.nix
+++ b/krebs/3modules/retiolum.nix
@@ -119,6 +119,10 @@ let
         The list of hosts in the network which the client will try to connect
         to.  These hosts should have an 'Address' configured which points to a
         routeable IPv4 or IPv6 address.
+
+        In stockholm this can be done by configuring:
+          host.nets.${netname?"retiolum"}.via.addrs4 =
+            [ "${external-ip} ${external-port}" ]
       '';
     };