diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index 7971c74..e8afb9e 100644
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -28,6 +28,7 @@
     polarity = "dark";
     autoEnable = true;
 
+    # Set the cursor theme.
     cursor = {
       package = pkgs.bibata-cursors;
       name = "Bibata-Modern-Ice";