diff --git a/doc/source/guides/single-machine.rst b/doc/source/guides/single-machine.rst
index 011c41f..48a4fa8 100644
--- a/doc/source/guides/single-machine.rst
+++ b/doc/source/guides/single-machine.rst
@@ -47,7 +47,7 @@
 
 ::
 
-    adduser stack
+    useradd -s /bin/bash -d /opt/stack -m stack
 
 Since this user will be making many changes to your system, it will need
 to have sudo privileges: