diff --git a/chapter08/systemd.xml b/chapter08/systemd.xml
index 86f75e2e8..4548056ea 100644
--- a/chapter08/systemd.xml
+++ b/chapter08/systemd.xml
@@ -198,15 +198,11 @@ meson --prefix=/usr                 \
 
 <screen><userinput remap="adjust">systemctl preset-all</userinput></screen>
 
-    <para>Disable a service for upgrading binary distros.  It's useless for
-    a basic Linux system built from source, and it will report an error if
+    <para>Disable two services for upgrading binary distros.  They are useless for
+    a basic Linux system built from source, and both will report an error if
     it's enabled but not configured:</para>
 
-<screen><userinput remap="adjust">systemctl disable systemd-sysupdate</userinput></screen>
-
-    <para>Also disable that unit's timer:</para>
-
-<screen><userinput remap="adjust">systemd disable systemd-sysupdate-reboot.timer</userinput></screen>
+<screen><userinput remap="adjust">systemctl disable systemd-sysupdate{,-reboot}</userinput></screen>
 
 <!-- dev: 50-pid-max.conf is not removed in BLFS, so I commented the following out.
           If it causes any trouble, we can add this back and also copy it into BLFS -->