fix typo about TBI in e1000 comment

Signed-off-by: Masatake YAMATO <jet@gyve.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>

drivers/net/e1000/e1000_main.c

@@ -3590,7 +3590,7 @@ e1000_update_stats(struct e1000_adapter *adapter)
 
 	spin_lock_irqsave(&adapter->stats_lock, flags);
 
-	/* these counters are modified from e1000_adjust_tbi_stats,
+	/* these counters are modified from e1000_tbi_adjust_stats,
 	 * called from the interrupt context, so they must only
 	 * be written while holding adapter->stats_lock
 	 */