[IPV6] KCONFIG: Fix description about IPV6_TUNNEL.

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>

1 files changed, 3 insertions, 2 deletions

diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig
index 58219dfffef8..47263e45bacb 100644
--- a/net/ipv6/Kconfig
+++ b/net/ipv6/Kconfig
@@ -179,11 +179,12 @@ config IPV6_SIT
           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.