[TCP]: More spelling fixes.

From Joe Perches

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 0f98480..d78025f 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -552,8 +552,8 @@
 
 /* TCP timestamps are only 32-bits, this causes a slight
  * complication on 64-bit systems since we store a snapshot
- * of jiffies in the buffer control blocks below.  We decidedly
- * only use of the low 32-bits of jiffies and hide the ugly
+ * of jiffies in the buffer control blocks below.  We decided
+ * to use only the low 32-bits of jiffies and hide the ugly
  * casts with the following macro.
  */
 #define tcp_time_stamp		((__u32)(jiffies))