diff --git a/flake.nix b/flake.nix
index cbaa4147..a86cec50 100644
--- a/flake.nix
+++ b/flake.nix
@@ -52,6 +52,7 @@
           specialArgs = { inherit inputs; };
         };
         # nix build .#nixosConfigurations.raspiimage.config.system.build.sdImage
+        # sudo dd if=result/sd-image/nixos-sd-image-21.11.20211201.a640d83-aarch64-linux.img of=/dev/sda bs=4M conv=fsync status=progress
         raspiimage = nixpkgs-stable.lib.nixosSystem {
           system = "aarch64-linux";
           modules = [