diff --git a/modules/disko.nix b/modules/disko.nix
index 1dbe0d70..538741c4 100644
--- a/modules/disko.nix
+++ b/modules/disko.nix
@@ -70,7 +70,7 @@ in
           let
             diskName = if disk.name != "" then "-${disk.name}" else "";
             luksName = "crypt-${config.networking.hostName}${diskName}";
-            rootSize = 200;
+            rootSize = 200; # size of the zfs partition if inside of lvm
             vgName = "lvm-${config.networking.hostName}${diskName}";
             zfs = {
               size = if (!disk.withCeph) then "100%FREE" else "${toString rootSize}GiB";
@@ -81,7 +81,7 @@ in
             };
             zfsName = "${config.networking.hostName}${diskName}";
           in
-          ({
+          {
             disk.${disk.device} = {
               inherit (disk) device;
               type = "disk";
@@ -203,7 +203,7 @@ in
                   };
                 };
             };
-          }))
+          })
         cfg.disks));
       # we use our own hardware-configuration.nix
       enableConfig = false;