[TCP] BIC: spelling and whitespace

Signed-off-by: NStephen Hemminger <shemminger@osdl.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ipv4/tcp_bic.c

@@ -210,7 +210,7 @@ static void bictcp_state(struct sock *sk, u8 new_state)
 		bictcp_reset(inet_csk_ca(sk));
 }
 
-/* Track delayed acknowledgement ratio using sliding window
+/* Track delayed acknowledgment ratio using sliding window
  * ratio = (15*ratio + sample) / 16
  */
 static void bictcp_acked(struct sock *sk, u32 cnt)