diff --git a/machines/skynet.nix b/machines/skynet.nix
index a3f8095..dc1da5f 100644
--- a/machines/skynet.nix
+++ b/machines/skynet.nix
@@ -81,7 +81,8 @@ in {
       name = name;
     };
   };
-  #
+
+  # from https://discourse.nixos.org/t/second-default-gateway/22220/5 and https://www.thomas-krenn.com/en/wiki/Two_Default_Gateways_on_One_System
   networking = {
     iproute2 = {
       enable = true;