diff --git a/config/Keyd.nix b/config/Keyd.nix
index 85ca622..4a2fcc8 100644
--- a/config/Keyd.nix
+++ b/config/Keyd.nix
@@ -6,6 +6,7 @@
 }:
 let
   cfg = config.module.keyd;
+  timeout = 150;
 in
 {
   config = lib.mkIf cfg.enable {
@@ -18,19 +19,19 @@ in
         settings = {
           # NOTE: Use `wev` to find key names.
           main = {
+            # down = "micmute";
+            # right = "compose";
+            # up = "mute";
             backspace = "delete"; # Delete key on backspace.
             capslock = "overload(control, esc)"; # Ctrl/esc combo.
             compose = "layer(layer_number)"; # Number input layer.
             delete = "backslash";
-            # down = "micmute";
-            esc = "timeout(grave, 150, print)"; # System controls.
+            esc = "timeout(grave, ${toString timeout}, print)"; # System controls.
             left = "compose"; # Number input layer.
-            leftcontrol = "overload(layer_alternative, leftcontrol)"; # Alternative layer for home, end etc.
+            leftcontrol = "overload(layer_alternative, micmute)"; # Alternative layer for home, end etc.
             print = "compose";
-            # right = "compose";
-            rightcontrol = "overload(layer_control, rightcontrol)"; # Media and other controls.
+            rightcontrol = "overload(layer_control, mute)"; # Media and other controls.
             rightshift = "backspace"; # Backspace.
-            # up = "mute";
           };
 
           # Alternative navigation.
@@ -70,7 +71,7 @@ in
             v = "paste";
             w = "pageup";
             x = "cut";
-            z = "micmute";
+            # z = "micmute";
           };
 
           # Media controls.
diff --git a/host/x86_64-linux/home/Transmission.nix b/host/x86_64-linux/home/Transmission.nix
index d806bfe..a06bc02 100644
--- a/host/x86_64-linux/home/Transmission.nix
+++ b/host/x86_64-linux/home/Transmission.nix
@@ -1,45 +1,47 @@
-{ pkgs, ... }: {
+{ pkgs, ... }:
+{
   services.transmission = {
     enable = true;
     package = pkgs.transmission_4;
     # REF: https://github.com/transmission/transmission/blob/main/docs/Editing-Configuration-Files.md
-    settings = let
-      downloadDir = "/storage/hot/download";
-    in
-    {
-      bind-address-ipv4 = "0.0.0.0";
-      bind-address-ipv6 = "::";
-      cache-size-mb = 4;
-      dht-enabled = true;
-      download-dir = downloadDir;
-      download-queue-enabled = true;
-      download-queue-size = 10;
-      encryption = 1;
-      incomplete-dir-enabled = false;
-      message-level = 3;
-      peer-limit-global = 500;
-      peer-limit-per-torrent = 50;
-      peer-port = 51413;
-      pex-enabled = true;
-      port-forwarding-enabled = false;
-      preallocation = 1;
-      preferred-transport = "utp";
-      rename-partial-files = true;
-      rpc-bind-address = "::";
-      rpc-host-whitelist-enabled = false;
-      rpc-password = "";
-      rpc-port = 9091;
-      rpc-username = "root";
-      rpc-whitelist-enabled = false;
-      start-added-torrents = true;
-      tcp-enabled = true;
-      torrent-added-verify-mode = "fast";
-      trash-can-enabled = false;
-      trash-original-torrent-files = true;
-      umask = 22;
-      utp-enabled = true;
-      watch-dir = "/var/lib/transmission/watchdir/";
-      watch-dir-enabled = true;
-    };
+    settings =
+      let
+        downloadDir = "/storage/hot/download";
+      in
+      {
+        bind-address-ipv4 = "0.0.0.0";
+        bind-address-ipv6 = "::";
+        cache-size-mb = 4;
+        dht-enabled = true;
+        download-dir = downloadDir;
+        download-queue-enabled = true;
+        download-queue-size = 10;
+        encryption = 1;
+        incomplete-dir-enabled = false;
+        message-level = 3;
+        peer-limit-global = 500;
+        peer-limit-per-torrent = 50;
+        peer-port = 51413;
+        pex-enabled = true;
+        port-forwarding-enabled = false;
+        preallocation = 1;
+        preferred-transport = "utp";
+        rename-partial-files = true;
+        rpc-bind-address = "::";
+        rpc-host-whitelist-enabled = false;
+        rpc-password = "";
+        rpc-port = 9091;
+        rpc-username = "root";
+        rpc-whitelist-enabled = false;
+        start-added-torrents = true;
+        tcp-enabled = true;
+        torrent-added-verify-mode = "fast";
+        trash-can-enabled = false;
+        trash-original-torrent-files = true;
+        umask = 22;
+        utp-enabled = true;
+        watch-dir = "/var/lib/transmission/watchdir/";
+        watch-dir-enabled = true;
+      };
   };
 }