diff --git a/chapter08/systemd.xml b/chapter08/systemd.xml
index 2d325d5cd..0de3af24b 100644
--- a/chapter08/systemd.xml
+++ b/chapter08/systemd.xml
@@ -226,6 +226,18 @@ meson setup \
 
 <screen><userinput remap="make">ninja</userinput></screen>
 
+    <para>Some tests need a basic <filename>/etc/os-release</filename> file.
+    To test the results, issue:</para>
+
+<screen><userinput remap="test">echo 'NAME="Linux From Scratch"' &gt; /etc/os-release
+ninja test</userinput></screen>
+
+    <!-- This test needs /run/systemd/inaccessible/sock, which only exists
+         after initializing the system with systemd.  -->
+    <para>One test named <literal>systemd:core / test-namespace</literal>
+    is known to fail in the LFS chroot environment.  Some other tests may
+    fail because they depend on various kernel configuration options.</para>
+
     <para>Install the package:</para>
 
 <screen><userinput remap="install">ninja install</userinput></screen>