diff --git a/doc/dhcpy6d-clients.conf.rst b/doc/dhcpy6d-clients.conf.rst
index 5967298..10e22f0 100644
--- a/doc/dhcpy6d-clients.conf.rst
+++ b/doc/dhcpy6d-clients.conf.rst
@@ -79,7 +79,7 @@ These attributes do not serve for identification of a client but for appropriate
 **prefix = <prefix> [<prefix> ...]**
     Prefix configured here will be sent to client in addition to the ones it gets due to its class.
 
-**prefix_route_linklocal = yes|no**
+**prefix_route_link_local = yes|no**
     As default Link Local Address of requesting client is not used as router address for external call.
     Instead the client should be able to retrieve exactly 1 address from server to be used as router for the delegated prefix.
     Alternatively the client Link Local Address might be used by enabling this option.
diff --git a/man/man5/dhcpy6d-clients.conf.5 b/man/man5/dhcpy6d-clients.conf.5
index e83aba8..a077c6c 100644
--- a/man/man5/dhcpy6d-clients.conf.5
+++ b/man/man5/dhcpy6d-clients.conf.5
@@ -27,7 +27,7 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .\" new: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .in \\n[rst2man-indent\\n[rst2man-indent-level]]u
 ..
-.TH "DHCPY6D-CLIENTS.CONF" 5 "2022-06-14" "1.2.2"
+.TH "DHCPY6D-CLIENTS.CONF" 5 "2022-06-14" "1.2.2" ""
 .SH NAME
 dhcpy6d-clients.conf \- Clients configuration file for DHCPv6 server dhcpy6d
 .SH DESCRIPTION
@@ -93,7 +93,7 @@ Addresses configured here will be sent to a client in addition to the ones it ge
 .B \fBprefix = <prefix> [<prefix> ...]\fP
 Prefix configured here will be sent to client in addition to the ones it gets due to its class.
 .TP
-.B \fBprefix_route_linklocal = yes|no\fP
+.B \fBprefix_route_link_local = yes|no\fP
 As default Link Local Address of requesting client is not used as router address for external call.
 Instead the client should be able to retrieve exactly 1 address from server to be used as router for the delegated prefix.
 Alternatively the client Link Local Address might be used by enabling this option.
diff --git a/man/man5/dhcpy6d.conf.5 b/man/man5/dhcpy6d.conf.5
index 33b62e9..ff8d9c4 100644
--- a/man/man5/dhcpy6d.conf.5
+++ b/man/man5/dhcpy6d.conf.5
@@ -27,7 +27,7 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .\" new: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .in \\n[rst2man-indent\\n[rst2man-indent-level]]u
 ..
-.TH "DHCPY6D.CONF" 5 "2022-06-14" "1.2.2"
+.TH "DHCPY6D.CONF" 5 "2022-06-14" "1.2.2" ""
 .SH NAME
 dhcpy6d.conf \- Configuration file for DHCPv6 server dhcpy6d
 .SH DESCRIPTION
diff --git a/man/man8/dhcpy6d.8 b/man/man8/dhcpy6d.8
index d5e3ad4..f6d7337 100644
--- a/man/man8/dhcpy6d.8
+++ b/man/man8/dhcpy6d.8
@@ -27,7 +27,7 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .\" new: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .in \\n[rst2man-indent\\n[rst2man-indent-level]]u
 ..
-.TH "DHCPY6D" 8 "2022-06-14" "1.2.2"
+.TH "DHCPY6D" 8 "2022-06-14" "1.2.2" ""
 .SH NAME
 dhcpy6d \- MAC address aware DHCPv6 server
 .SH SYNOPSIS
diff --git a/setup.py b/setup.py
index 1a60d54..d52f9c8 100644
--- a/setup.py
+++ b/setup.py
@@ -63,7 +63,7 @@
               ]
 
 setup(name='dhcpy6d',
-      version='1.3.1',
+      version='1.4.0',
       license='GNU GPL v2',
       description='DHCPv6 server daemon',
       long_description='Dhcpy6d delivers IPv6 addresses for DHCPv6 clients, which can be identified by DUID, hostname or MAC address as in the good old IPv4 days. It allows easy dualstack transition, addresses may be generated randomly, by range, by DNS, by arbitrary ID or MAC address. Clients can get more than one address, leases and client configuration can be stored in databases and DNS can be updated dynamically.',