diff --git a/man/systemd-system-update-generator.xml b/man/systemd-system-update-generator.xml
index 58ae70f615d..833ed79646e 100644
--- a/man/systemd-system-update-generator.xml
+++ b/man/systemd-system-update-generator.xml
@@ -56,9 +56,8 @@
     generator that automatically redirects the boot process to
     <filename>system-update.target</filename>, if
     <filename>/system-update</filename> exists. This is required to
-    implement the logic explained in the <ulink
-    url="http://freedesktop.org/wiki/Software/systemd/SystemUpdates">System
-    Updates Specification</ulink>.
+    implement the logic explained in the
+    <citerefentry><refentrytitle>systemd.offline-updates</refentrytitle><manvolnum>7</manvolnum></citerefentry>.
     </para>
 
     <para><filename>systemd-system-update-generator</filename> implements
diff --git a/man/systemd.generator.xml b/man/systemd.generator.xml
index 919c8f8080d..b268104c9de 100644
--- a/man/systemd.generator.xml
+++ b/man/systemd.generator.xml
@@ -313,8 +313,8 @@
       scheduled. Since this needs to override the default user
       configuration for <filename>default.target</filename>, it uses
       argv[2]. For details about this logic, see
-      <ulink url="http://www.freedesktop.org/wiki/Software/systemd/SystemUpdates">Implementing
-      Offline System Updates</ulink>.</para>
+      <citerefentry><refentrytitle>systemd.offline-updates</refentrytitle><manvolnum>7</manvolnum></citerefentry>.
+      </para>
     </example>
 
     <example>