\r
/// DHCP offer types among HTTP boot.\r
/// Dhcp4 and Dhcp6 share this definition, and corresponding\r
-/// relatioinship is as follows:\r
+/// relationship is as follows:\r
/// Dhcp4Discover <> Dhcp6Solicit\r
/// Dhcp4Offer <> Dhcp6Advertise\r
/// Dhcp4Request <> Dhcp6Request\r