diff --git a/README.md b/README.md
index d9f4d281..73eff17f 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,4 @@
 
 * `nix run -f . deploy.target.<target name>.run.apply`
 * `nix run -f . deploy.target.<target name>.run -c terraform destroy`
+* `nix build -f . hosts.<host name>.config.system.build.toplevel`