diff --git a/common/cpu/amd/pstate.nix b/common/cpu/amd/pstate.nix
index 35d8be0..62c88f0 100644
--- a/common/cpu/amd/pstate.nix
+++ b/common/cpu/amd/pstate.nix
@@ -1,5 +1,6 @@
 { lib, config, ... }: {
   #Enables the amd cpu scaling https://www.kernel.org/doc/html/latest/admin-guide/pm/amd-pstate.html
+  #On recent AMD cupus this can be more energy efficient
 
   imports = [ ./. ];
   boot = lib.mkIf (!lib.versionOlder config.boot.kernelPackages.kernel.version "5.17") {