diff --git a/docs/HACKING.md b/docs/HACKING.md
index d5c5373430..3af58f6b27 100644
--- a/docs/HACKING.md
+++ b/docs/HACKING.md
@@ -72,7 +72,7 @@ $ sudo dnf builddep systemd
 # Debian/Ubuntu
 $ sudo apt-get build-dep systemd
 # Arch
-$ sudo pacman install asp
+$ sudo pacman -S asp
 $ asp checkout systemd
 $ cd systemd/trunk
 $ makepkg -seoc