[#2050] Old sphinx syntax compatibility

diff --git a/doc/examples/template-power-user-home/info.md b/doc/examples/template-power-user-home/info.md
index 6eeeb4454ee541eef4cf02465655c99343764f1a..ef11e353154424fb6c0afbdeb4bbfa4265581e04 100644 (file)
--- a/doc/examples/template-power-user-home/info.md
+++ b/doc/examples/template-power-user-home/info.md
@@ -18,7 +18,7 @@ The logical set-up consists of two hosts, each running Kea DHCPv4 server and a C
 The server connects with the CA using UNIX sockets. Each DHCPv4+CA acts as one partner of the HA
 pair.
 
-.. code-block::
+.. code-block:: none
 
   ```
    +-host-1-+       +-host-2-+