diff --git a/man/kernel-command-line.xml b/man/kernel-command-line.xml
index 2552c79c11..68460ac93d 100644
--- a/man/kernel-command-line.xml
+++ b/man/kernel-command-line.xml
@@ -255,6 +255,8 @@
                                 <term><varname>rd.udev.children-max=</varname></term>
                                 <term><varname>udev.exec-delay=</varname></term>
                                 <term><varname>rd.udev.exec-delay=</varname></term>
+                                <term><varname>udev.event-timeout=</varname></term>
+                                <term><varname>rd.udev.event-timeout=</varname></term>
                                 <term><varname>net.ifnames=</varname></term>
 
                                 <listitem>
diff --git a/man/systemd-udevd.service.xml b/man/systemd-udevd.service.xml
index 049a44074e..ab5c1636b2 100644
--- a/man/systemd-udevd.service.xml
+++ b/man/systemd-udevd.service.xml
@@ -58,10 +58,11 @@
     <refentrytitle>udev</refentrytitle><manvolnum>7</manvolnum>
     </citerefentry>.</para>
 
-    <para>The behavior of the running daemon can be changed
-    dynamically with <command>udevadm control</command>, or
-    configured using
-    <citerefentry><refentrytitle>udev.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
+    <para>The behavior of the daemon can be configured using
+    <citerefentry><refentrytitle>udev.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+    its command-line options, environment variables, and on the kernel
+    command-line, or changed dynamically with <command>udevadm
+    control</command>.
     </para>
   </refsect1>
 
diff --git a/man/udev.conf.xml b/man/udev.conf.xml
index de84b91258..16ad41e80e 100644
--- a/man/udev.conf.xml
+++ b/man/udev.conf.xml
@@ -61,20 +61,27 @@
       <filename>/etc/udev/udev.conf</filename>. It consists of a set
       of variables allowing the user to override default udev
       values. All empty lines or lines beginning with '#' are
-      ignored. The following variables can be set:</para>
+      ignored. The following variables can be set:
+    </para>
 
-      <variablelist>
-        <varlistentry>
-          <term><varname>udev_log</varname></term>
+    <variablelist>
+      <varlistentry>
+        <term><varname>udev_log</varname></term>
 
-          <listitem>
-            <para>The logging priority. Valid values are the numerical
-            syslog priorities or their textual representations:
-            <option>err</option>, <option>info</option> and
-            <option>debug</option>.</para>
-          </listitem>
-        </varlistentry>
-      </variablelist>
+        <listitem>
+          <para>The logging priority. Valid values are the numerical
+          syslog priorities or their textual representations:
+          <option>err</option>, <option>info</option> and
+          <option>debug</option>.</para>
+        </listitem>
+      </varlistentry>
+    </variablelist>
+
+    <para>
+      In addition, <filename>systemd-udevd</filename> can be configured
+      by command-line options and the kernel commandline (see
+      <citerefentry><refentrytitle>systemd-udevd</refentrytitle><manvolnum>8</manvolnum></citerefentry>).
+    </para>
   </refsect1>
 
   <refsect1>