system/nix: clean up doc comments

Author: NotAShelf

modules/core/common/system/nix/module.nix

@@ -236,9 +236,9 @@ in {
  # By default nix-gc makes no effort to respect battery life by avoiding
  # GC runs on battery and fully commits a few cores to collecting garbage.
  # This will drain the battery faster than you can say "Nix, what the hell?"
- # and contribute heavily to you wanting to get a new desktop.
+ # and contribute heavily to you wanting to build a desktop (do that anyway.)
  # For those curious (such as myself) desktops are always seen as "AC powered"
- # so the system will not fail to fire if you are on a desktop system.
+ # so the service will not fail to fire if you are on a desktop system.
  systemd.services.nix-gc = {
  unitConfig.ConditionACPower = true;
  };