diff --git a/package/busybox/udhcpc.script b/package/busybox/udhcpc.script
index ad110d3a7f..131c138b1a 100755
--- a/package/busybox/udhcpc.script
+++ b/package/busybox/udhcpc.script
@@ -56,7 +56,7 @@ case "$1" in
 		cat $TMPFILE > $RESOLV_CONF
 		rm -f $TMPFILE
 
-		# prefer rfc3359 domain search list (option 119) if available
+		# prefer rfc3397 domain search list (option 119) if available
 		if [ -n "$search" ]; then
 			search_list=$search
 		elif [ -n "$domain" ]; then