[IPV6]: Do not send RH0 anymore.

Based on <draft-ietf-ipv6-deprecate-rh0-00.txt>.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index af6a63a..09c184e 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -874,8 +874,7 @@
 accept_source_route - INTEGER
 	Accept source routing (routing extension header).
 
-	> 0: Accept routing header.
-	= 0: Accept only routing header type 2.
+	>= 0: Accept only routing header type 2.
 	< 0: Do not accept routing header.
 
 	Default: 0