doc: tweak cgroup headline

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/doc/lxc.container.conf.sgml.in b/doc/lxc.container.conf.sgml.in
index 8c971fa2889df5a39610b1a26abdc717baf0710f..6e31039394757671b3f5aa8fbe58c10aa37718b8 100644 (file)
--- a/doc/lxc.container.conf.sgml.in
+++ b/doc/lxc.container.conf.sgml.in
@@ -1518,7 +1518,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
     </refsect2>
 
     <refsect2>
-      <title>Control group</title>
+      <title>Control groups ("cgroups")</title>
       <para>
         The control group section contains the configuration for the
         different subsystem. <command>lxc</command> does not check the