diff --git a/README b/README
index 1fd9979..74bac04 100644
--- a/README
+++ b/README
@@ -20,6 +20,6 @@ After installation is finalized:
 * copy device database to ~/artiq
 * set timezone
 * comment out openssh.authorizedKeys.keys
-* sudo nixos-rebuild --upgrade boot
+* sudo nixos-rebuild boot
 * sudo nix-collect-garbage -d
 * history clear