diff --git a/apps/hyprland/hypr/exec.nix b/apps/hyprland/hypr/exec.nix
index ee26338..09a1e27 100644
--- a/apps/hyprland/hypr/exec.nix
+++ b/apps/hyprland/hypr/exec.nix
@@ -16,13 +16,13 @@
       "hyprpm reload -n"
       "vicinae server"
       "systemctl --user start hyprpolkitagent"
-      "hyprsunset -t 4500"
+      "hyprsunset -t 4500" # TODO: must be optional
 
       # apps
-      "fcitx5 -d --replace"
+      "fcitx5 -d --replace" # TODO: find a way to implement this line on fcitx5 app instead
 
       "[workspace special:preload silent] uwsm app -- xdg-terminal-exec"
-      "[workspace 1] uwsm app -- ghostty -e bash -c 'fastfetch; exec $SHELL'"
+      "[workspace 1] uwsm app -- ghostty -e bash -c 'fastfetch; exec $SHELL'" # TODO: must be xdg-terminal-exec, or default user terminal
       "[workspace special:steam silent] uwsm app -- steam"
     ];
   };
diff --git a/modules/home/music.nix b/modules/home/music.nix
index 7630905..44e2803 100644
--- a/modules/home/music.nix
+++ b/modules/home/music.nix
@@ -24,6 +24,7 @@
   '';
 in {
   imports = [
+    # TODO: must be an option a user can set of which music player to use
     ../../apps/jellyfin-tui
     ../../apps/cava
   ];