diff --git a/README.md b/README.md
index b80142a2..6b20255d 100644
--- a/README.md
+++ b/README.md
@@ -103,37 +103,29 @@ Here’s an example of a simple disk configuration:
       type = "disk";
       device = builtins.elemAt disks 0;
       content = {
-        type = "table";
-        format = "gpt";
-        partitions = [
-          {
-            name = "boot";
-            start = "0";
-            end = "1M";
-            flags = [ "bios_grub" ];
-          }
-          {
-            name = "ESP";
-            start = "1M";
-            end = "512M";
-            bootable = true;
+        type = "gpt";
+        partitions = {
+          boot = {
+            size = "1M";
+            type = "EF02"; # for grub MBR
+          };
+          ESP = {
+            size = "511M";
             content = {
               type = "filesystem";
               format = "vfat";
               mountpoint = "/boot";
             };
-          }
-          {
-            name = "root";
-            start = "512M";
-            end = "100%";
+          };
+          root = {
+            size = "100%";
             content = {
               type = "filesystem";
               format = "ext4";
               mountpoint = "/";
             };
-          }
-        ];
+          };
+        };
       };
     };
   };