diff --git a/laptop/configuration.nix b/laptop/configuration.nix
index 70f995a9..7b328f39 100644
--- a/laptop/configuration.nix
+++ b/laptop/configuration.nix
@@ -37,6 +37,7 @@
   # boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
   boot.tmp.cleanOnBoot = true;
+  # Hibernation resume device:
   boot.resumeDevice = "/dev/disk/by-uuid/67600fc1-6d26-4d2f-b2d3-a99174654058";
   # Plymouth splash screen 
   boot.plymouth.enable = true;