--- a/dns.rst	Mon Feb 22 13:34:05 2016 +0200
+++ b/dns.rst	Mon Feb 22 13:34:55 2016 +0200
@@ -4,6 +4,8 @@
 ======
  DNS.
 ======
+.. contents::
+   :local:
 
 About DNS resolving protocol.
 =============================