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diff --git a/man/systemd-nspawn.xml b/man/systemd-nspawn.xml
index a80cec4e6..f4c5d77ee 100644
--- a/man/systemd-nspawn.xml
+++ b/man/systemd-nspawn.xml
@@ -133,6 +133,28 @@
                 <ulink
                 url="http://www.freedesktop.org/wiki/Software/systemd/ContainerInterface">Container
                 Interface</ulink> specification.</para>
+
+                <para>As a safety check
+                <command>systemd-nspawn</command> will verify the
+                existence of <filename>/etc/os-release</filename> in
+                the container tree before starting the container (see
+                <citerefentry><refentrytitle>os-release</refentrytitle><manvolnum>5</manvolnum></citerefentry>). It
+                might be necessary to add this file to the container
+                tree manually if the OS of the container is too old to
+                contain this file out-of-the-box.</para>
+        </refsect1>
+
+        <refsect1>
+                <title>Incompatibility with Auditing</title>
+
+                <para>Note that the kernel auditing subsystem is
+                currently broken when used together with
+                containers. We hence recommend turning it off entirely
+                by booting with <literal>audit=0</literal> on the
+                kernel command line, or by turning it off at kernel
+                build time. If auditing is enabled in the kernel
+                operating systems booted in an nspawn container might
+                refuse log-in attempts.</para>
         </refsect1>
 
         <refsect1>
@@ -217,10 +239,20 @@
                                 container is used.</para></listitem>
                         </varlistentry>
 
+                        <varlistentry>
+                                <term><option>--slice=</option></term>
+
+                                <listitem><para>Make the container
+                                part of the specified slice, instead
+                                of the
+                                <filename>machine.slice</filename>.</para>
+                                </listitem>
+                        </varlistentry>
+
                         <varlistentry>
                                 <term><option>--uuid=</option></term>
 
-                                <listitem><para>Set the specified uuid
+                                <listitem><para>Set the specified UUID
                                 for the container. The init system
                                 will initialize
                                 <filename>/etc/machine-id</filename>
@@ -228,16 +260,6 @@
                                 </para></listitem>
                         </varlistentry>
 
-                        <varlistentry>
-                                <term><option>-C</option></term>
-                                <term><option>--controllers=</option></term>
-
-                                <listitem><para>Makes the container appear in
-                                other hierarchies than the name=systemd:/ one.
-                                Takes a comma-separated list of controllers.
-                                </para></listitem>
-                        </varlistentry>
-
                         <varlistentry>
                                 <term><option>--private-network</option></term>
 
@@ -252,7 +274,7 @@
                                 <term><option>--read-only</option></term>
 
                                 <listitem><para>Mount the root file
-                                system read only for the
+                                system read-only for the
                                 container.</para></listitem>
                         </varlistentry>
 
@@ -261,7 +283,7 @@
 
                                 <listitem><para>List one or more
                                 additional capabilities to grant the
-                                container. Takes a comma separated
+                                container. Takes a comma-separated
                                 list of capability names, see
                                 <citerefentry><refentrytitle>capabilities</refentrytitle><manvolnum>7</manvolnum></citerefentry>
                                 for more information. Note that the
@@ -360,7 +382,7 @@
 # systemd-nspawn -bD /srv/mycontainer</programlisting>
 
                 <para>This installs a minimal Fedora distribution into
-                the directory <filename>/srv/mycontainer/</filename> and
+                the directory <filename noindex='true'>/srv/mycontainer/</filename> and
                 then boots an OS in a namespace container in
                 it.</para>
         </refsect1>
@@ -421,7 +443,8 @@
                         <citerefentry><refentrytitle>unshare</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
                         <citerefentry><refentrytitle>yum</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
                         <citerefentry><refentrytitle>debootstrap</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
-                        <citerefentry><refentrytitle>pacman</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+                        <citerefentry><refentrytitle>pacman</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+                        <citerefentry><refentrytitle>systemd.slice</refentrytitle><manvolnum>5</manvolnum></citerefentry>
                 </para>
         </refsect1>