diff --git a/template/disk-configs/luks-btrfs.nix b/template/disk-configs/luks-btrfs.nix
index 487aeed..61a1dd5 100644
--- a/template/disk-configs/luks-btrfs.nix
+++ b/template/disk-configs/luks-btrfs.nix
@@ -16,6 +16,12 @@
       content = {
         type = "gpt";
         partitions = {
+          # This partition is required for BIOS/GPT compatibility.
+          BOOT = {
+            name = "boot";
+            size = "1M";
+            type = "EF02";
+          };
           ESP = {
             label = "EFI";
             name = "ESP";
@@ -25,9 +31,6 @@
               type = "filesystem";
               format = "vfat";
               mountpoint = "/boot";
-              mountOptions = [
-                "defaults"
-              ];
             };
           };
           LUKS = {
diff --git a/template/flake.nix b/template/flake.nix
index 9e57b26..5dd3718 100644
--- a/template/flake.nix
+++ b/template/flake.nix
@@ -37,6 +37,7 @@
           # Memory in bytes required to unlock the LUKS partition while booting.
           # The default value is 1 GB (1000000).
           # Set this as high as possible, but leave some buffer (e.g. 500 MB).
+          # As of 2024-02 the possible maximum is 4194304
           # Example: If you have 4 GB memory, set this to 3500000.
           pbkdf-memory = 4000000;
         })
@@ -59,8 +60,16 @@
           #  efiInstallAsRemovable = true;
           #};
 
-          # Alternative to grub.
-          # This worked with yodaHP host.
+          # Bootloader: BIOS (old systems)
+          #boot.loader.grub = {
+          #  # No need to set devices, disko will add all devices that have a EF02 partition to the list.
+          #  # devices = [];
+          #  efiSupport = true;
+          #  efiInstallAsRemovable = true;
+          #};
+
+          # Bootloader: EFI (newer systems)
+          #
           boot.loader.systemd-boot.enable = true;
           boot.loader.efi.canTouchEfiVariables = true;