[PKT_SCHED] net/sched/Kconfig: fix typo in NET_EMATCH_META description

Noted by Matt LaPlante <webmaster@cyberdogtech.com>.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/sched/Kconfig

@@ -411,7 +411,7 @@ config NET_EMATCH_META
 	tristate "Metadata"
 	depends on NET_EMATCH
 	---help---
-	  Say Y here if you want to be ablt to classify packets based on
+	  Say Y here if you want to be able to classify packets based on
 	  metadata such as load average, netfilter attributes, socket
 	  attributes and routing decisions.