xtables: trivial spelling fix

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
diff --git a/include/xtables.h b/include/xtables.h
index c35a6e6..0217267 100644
--- a/include/xtables.h
+++ b/include/xtables.h
@@ -230,7 +230,7 @@
 	/* Size of match data. */
 	size_t size;
 
-	/* Size of match data relevent for userspace comparison purposes */
+	/* Size of match data relevant for userspace comparison purposes */
 	size_t userspacesize;
 
 	/* Function which prints out usage message. */
@@ -308,7 +308,7 @@
 	/* Size of target data. */
 	size_t size;
 
-	/* Size of target data relevent for userspace comparison purposes */
+	/* Size of target data relevant for userspace comparison purposes */
 	size_t userspacesize;
 
 	/* Function which prints out usage message. */