diff --git a/hosts/swan/default.nix b/hosts/swan/default.nix
index 575dc7c..70f74e4 100644
--- a/hosts/swan/default.nix
+++ b/hosts/swan/default.nix
@@ -15,12 +15,14 @@ nixpkgs.lib.nixosSystem {
     ../../modules/common
     ../../modules/nixos
     {
-      # Hardeware
+      # Hardware
       server = true;
       networking.hostName = "swan";
 
       boot.initrd.availableKernelModules =
         [ "xhci_pci" "ahci" "nvme" "usb_storage" "sd_mod" ];
+
+      # Required for transcoding
       boot.initrd.kernelModules = [ "amdgpu" ];
       boot.kernelParams = [
         "radeon.si_support=0"
@@ -30,20 +32,17 @@ nixpkgs.lib.nixosSystem {
         "amdgpu.dc=1"
       ];
       hardware.enableRedistributableFirmware = true;
+
       powerManagement.cpuFreqGovernor = "powersave";
       hardware.cpu.intel.updateMicrocode = true;
 
       # ZFS
       zfs.enable = true;
-      # head -c 8 /etc/machine-id
+      # Generated with: head -c 8 /etc/machine-id
       networking.hostId = "600279f4"; # Random ID required for ZFS
       disko = {
         enableConfig = true;
         devices = (import ../../disks/root.nix { disk = "/dev/nvme0n1"; });
-        # // (import ../../disks/zfs.nix {
-        #   pool = "tank";
-        #   disks = [ "/dev/sda" "/dev/sdb" "/dev/sdc" ];
-        # });
       };
       boot.zfs.extraPools = [ "tank" ];
 
@@ -53,11 +52,11 @@ nixpkgs.lib.nixosSystem {
       neovim.enable = true;
       caddy.enable = true;
       cloudflare.enable = true;
+      dotfiles.enable = true;
       streamServer = "stream.masu.rs";
       nextcloudServer = "cloud.masu.rs";
       bookServer = "books.masu.rs";
       arrServer = "download.masu.rs";
-      transmissionServer = "download.masu.rs";
       samba.enable = true;
 
       cloudflareTunnel = {
@@ -77,12 +76,6 @@ nixpkgs.lib.nixosSystem {
       # Disable passwords, only use SSH key
       publicKey =
         "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIB+AbmjGEwITk5CK9y7+Rg27Fokgj9QEjgc9wST6MA3s";
-
-      # Clone dotfiles
-      dotfiles.enable = true;
-
-      # services.nfs.server.enable = true;
-
     }
   ];
 }
diff --git a/modules/common/default.nix b/modules/common/default.nix
index 713b248..b02d01f 100644
--- a/modules/common/default.nix
+++ b/modules/common/default.nix
@@ -87,6 +87,7 @@
       settings = {
 
         # Add community Cachix to binary cache
+        # Don't use with macOS because blocked by corporate firewall
         builders-use-substitutes = true;
         substituters = lib.mkIf (!pkgs.stdenv.isDarwin)
           [ "https://nix-community.cachix.org" ];