forgo obtaining an IPv4 address if the network provides IPv6 connectivity. The general idea is that
a network administrator can enable this option to signal to compatible dual-stack devices that the
IPv6 connectivity is available and they can shut down their IPv4 stack. The new option
-`v6-only-preferred` is expressed as 32 bit unsigned integer and expressed for how long the device
+`v6-only-preferred` content is a 32 bit unsigned integer and specifies for how long the device
should disable its stack for. The value is expressed in seconds.
The draft mentions V6ONLY_WAIT timer. This is implemented in Kea by setting the value of