diff --git a/example/luks-btrfs-subvolumes.nix b/example/luks-btrfs-subvolumes.nix
index 509f5e9..9191570 100644
--- a/example/luks-btrfs-subvolumes.nix
+++ b/example/luks-btrfs-subvolumes.nix
@@ -24,11 +24,10 @@
               content = {
                 type = "luks";
                 name = "crypted";
+                # disable settings.keyFile if you want to use interactive password entry
+                #passwordFile = "/tmp/secret.key"; # Interactive
                 settings = {
                   allowDiscards = true;
-                  # if you want to use the key for interactive login be sure there is no trailing newline
-                  # for example use `echo -n "password" > /tmp/secret.key`
-                  #passwordFile = "/tmp/secret.key"; # Interactive
                   keyFile = "/tmp/secret.key";
                 };
                 additionalKeyFiles = [ "/tmp/additionalSecret.key" ];