- fixed 2 typos
- added reference to RFC1497
DHCPv4 uses two distinct identifiers which are placed by the client in
the queries sent to the server and copied by the server to its responses
to the client: "chaddr" and "client identifier". The former was
-introduced as a part of the BOOTP specification and it is also used by
+introduced as a part of the BOOTP specification and it is also used by
DHCP to carry the hardware address of the interface used to send the
query to the server (MAC address for the Ethernet). The latter is
carried in the Client-identifier option, introduced in `RFC