diff --git a/panel/default.nix b/panel/default.nix
index 09d3c45a..74865386 100644
--- a/panel/default.nix
+++ b/panel/default.nix
@@ -21,6 +21,7 @@ in
       pkgs.npins
       manage
 
+      # NixOps4 and its dependencies
       pkgs.nixops4
       pkgs.nix
       pkgs.openssh