Based on notice from "Colin" <colins@sjtu.edu.cn>.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
          Saying M here will produce a module called sit.ko. If unsure, say Y.
 
 config IPV6_TUNNEL
-       tristate "IPv6: IPv6-in-IPv6 tunnel"
+       tristate "IPv6: IP-in-IPv6 tunnel (RFC2473)"
        select INET6_TUNNEL
        depends on IPV6
        ---help---
-         Support for IPv6-in-IPv6 tunnels described in RFC 2473.
+         Support for IPv6-in-IPv6 and IPv4-in-IPv6 tunnels described in
+         RFC 2473.
 
          If unsure, say N.