tipc: spelling fixes

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index 2d456ab..a38c899 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -473,7 +473,7 @@
 /**
  * tipc_l2_send_msg - send a TIPC packet out over an Ethernet interface
  * @buf: the packet to be sent
- * @b_ptr: the bearer throught which the packet is to be sent
+ * @b_ptr: the bearer through which the packet is to be sent
  * @dest: peer destination address
  */
 int tipc_l2_send_msg(struct sk_buff *buf, struct tipc_bearer *b,