diff --git a/modules/nixos-modules/server/reverse_proxy.nix b/modules/nixos-modules/server/reverse_proxy.nix
index 86db3a2..664b3c3 100644
--- a/modules/nixos-modules/server/reverse_proxy.nix
+++ b/modules/nixos-modules/server/reverse_proxy.nix
@@ -32,6 +32,7 @@
     };
   };
 
+  # TODO: impermanence for ACME keys
   config = {
     services.nginx = {
       enable = config.host.reverse_proxy.enable;