diff --git a/README.md b/README.md
index 1e78bb8..b7f459a 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,37 @@
-this is an example repo for nixos-anywhere and disko.
-to run the interactive vm test run:
+# disko + nixos-anywhere workshop
+
+This is an example repo for nixos-anywhere and disko.
+It's part of our CCC camp workshop.
+
+To run the interactive vm test run:
+
 ```
 nix run github:numtide/nixos-anywhere -- --flake '.#mysystem' --vm-test
 ```
 
-you can also install the vm on some remote system when running
+You can also install the vm on some remote system when running
+
 ```
 nix run github:numtide/nixos-anywhere -- --flake '.#mysystem' root@192.168.0.10
 ```
+
+
+Improve this workshop README:
+
+# disko + nixos-anywhere workshop
+
+This is an example repo for nixos-anywhere and disko.
+It's part of our CCC camp workshop.
+
+To run the interactive vm test run:
+
+```
+nix run github:numtide/nixos-anywhere -- --flake '.#mysystem' --vm-test
+```
+
+You can also install the vm on some remote system when running
+
+```
+nix run github:numtide/nixos-anywhere -- --flake '.#mysystem' root@192.168.0.10
+```
+
diff --git a/disk-configs/simple-efi.nix b/disk-configs/simple-efi.nix
index f19c758..d890f7e 100644
--- a/disk-configs/simple-efi.nix
+++ b/disk-configs/simple-efi.nix
@@ -1,19 +1,23 @@
 # Example to create a bios compatible gpt partition
-{ lib, ... }: {
+{ lib, config, ... }: {
   disko.devices.disk = {
     one = {
+      # Change this device name match your block device.
+      # The `lsblk` command can help you here
       device = lib.mkDefault "/dev/sda";
       type = "disk";
       content = {
         type = "gpt";
-        partitions = {
-          boot = {
-            name = "boot";
-            size = "1M";
-            type = "EF02";
-          };
+        partitions = lib.optionalAttrs config.boot.loader.grub.enable
+          {
+            boot = {
+              name = "boot";
+              size = "1M";
+              type = "EF02";
+            };
+          } // {
           ESP = {
-            size = "100M";
+            size = "500M";
             type = "EF00";
             content = {
               type = "filesystem";
diff --git a/flake.nix b/flake.nix
index cf7a6c3..b850cb2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,7 +1,7 @@
 {
-  inputs.nixpkgs.url = github:NixOS/nixpkgs/nixos-unstable;
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
 
-  inputs.disko.url = github:nix-community/disko/make-disk-image;
+  inputs.disko.url = "github:nix-community/disko";
   inputs.disko.inputs.nixpkgs.follows = "nixpkgs";
 
   inputs.nixos-anywhere.url = "github:numtide/nixos-anywhere";
@@ -26,6 +26,10 @@
             efiSupport = true;
             efiInstallAsRemovable = true;
           };
+          # Alternative to grub
+          #boot.loader.systemd-boot.enable = true;
+          # when installing toggle this
+          #boot.loader.efi.canTouchEfiVariables = false;
         }
       ];
     };