diff --git a/man/sd_journal_print.xml b/man/sd_journal_print.xml
index c6f204b8c..8aac68f4b 100644
--- a/man/sd_journal_print.xml
+++ b/man/sd_journal_print.xml
@@ -218,6 +218,11 @@ sd_journal_send("MESSAGE=Hello World, this is PID %lu!", (unsigned long) getpid(
                 errno-style error code. The
                 <citerefentry><refentrytitle>errno</refentrytitle><manvolnum>3</manvolnum></citerefentry>
                 variable itself is not altered.</para>
+
+                <para>If
+                <citerefentry><refentrytitle>systemd-journald</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+                is not running (the socket is not present), those
+                functions do nothing, and also return 0.</para>
         </refsect1>
 
         <refsect1>