fixed ddns man

diff --git a/doc/sphinx/man/kea-dhcp-ddns.8.rst b/doc/sphinx/man/kea-dhcp-ddns.8.rst
index 1328f575411a5a93fbb996e88fc39240082dfdff..9302600871d64f842c69dea85f3315001a09b06c 100644 (file)
--- a/doc/sphinx/man/kea-dhcp-ddns.8.rst
+++ b/doc/sphinx/man/kea-dhcp-ddns.8.rst
@@ -21,7 +21,7 @@ Synopsis
 :program:`kea-dhcp-ddns` [**-v**] [**-V**] [**-W**] [**-d**] [**-c** config-file] [**-t** config-file]
 
 Description
-===========
+~~~~~~~~~~~
 
 The ``kea-dhcp-ddns`` service process requests an update of DNS mapping
 based on DHCP lease change events. It runs as a separate process that