add usage

1 files changed, 1 insertions, 0 deletions

diff --git a/disko.nix b/disko.nix
index b59f4c5..e345cdc 100644
--- a/disko.nix
+++ b/disko.nix
@@ -1,3 +1,4 @@
+# usage: nix-instantiate --eval --json disko.nix | jq -r .
 with import <nixpkgs/lib>;
 with builtins;