net: Documentation: Fix default value tcp_limit_output_bytes

Commit c39c4c6abb89 ("tcp: double default TSQ output bytes limit")
updated default value for tcp_limit_output_bytes

Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 file changed