diff --git a/3modules/tv/retiolum.nix b/3modules/tv/retiolum.nix
index ca1418c32..e8a1f6c2b 100644
--- a/3modules/tv/retiolum.nix
+++ b/3modules/tv/retiolum.nix
@@ -82,7 +82,11 @@ let
     connectTo = mkOption {
       type = types.listOf types.str;
       default = [ "fastpoke" "pigstarter" "kheurop" ];
-      description = "TODO describe me";
+      description = ''
+        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.
+      '';
     };
 
   };