diff --git a/docs/configuration/service/dhcp-server.rst b/docs/configuration/service/dhcp-server.rst
index 88f7079e2e..bf9691f71e 100644
--- a/docs/configuration/service/dhcp-server.rst
+++ b/docs/configuration/service/dhcp-server.rst
@@ -678,10 +678,11 @@ Configuration
 Prefix Delegation
 -----------------
 
+.. note:: VyOS =< 1.4.3 does not add the prefixes to the routing table.
+
 To hand out individual prefixes to your clients the following configuration is
 used:
 
-
 .. cfgcmd:: set service dhcpv6-server shared-network-name <name> subnet
    <prefix> prefix-delegation start <address> prefix-length <length>
 
@@ -693,6 +694,15 @@ used:
 
    Delegate prefixes from the range indicated by the start and stop qualifier.
 
+**Example:**
+
+To delegate /64's from a bigger /56
+
+.. code-block:: none
+
+  set service dhcpv6-server shared-network-name MYNET subnet 2001:0db8:0:1::/64 prefix-delegation start 2001:0db8:1:: prefix-length '64'
+  set service dhcpv6-server shared-network-name MYNET subnet 2001:0db8:0:1::/64 prefix-delegation start 2001:0db8:1:: stop '2001:0db8:1:ff::'
+
 Address pools
 -------------