diff --git a/man/systemd-network-generator.service.xml b/man/systemd-network-generator.service.xml
index 53d559edbf..c01f701329 100644
--- a/man/systemd-network-generator.service.xml
+++ b/man/systemd-network-generator.service.xml
@@ -56,6 +56,7 @@
     <variablelist class='kernel-commandline-options'>
       <varlistentry>
         <term><varname>ip=</varname></term>
+        <term><varname>nameserver=</varname></term>
         <term><varname>rd.route=</varname></term>
         <term><varname>rd.peerdns=</varname></term>
         <listitem>