NS_Provider_IPL4: fix typo in comment

Change-Id: Ieed010a15675b105807bc8c55bb0977fcb6aa7f3
diff --git a/library/NS_Provider_IPL4.ttcn b/library/NS_Provider_IPL4.ttcn
index 6d45fd0..9d72075 100644
--- a/library/NS_Provider_IPL4.ttcn
+++ b/library/NS_Provider_IPL4.ttcn
@@ -38,7 +38,7 @@
 	g_conn_id := res.connId;
 	NSE.send(NS_Provider_Evt:{link_status := NS_PROV_LINK_STATUS_UP});
 
-	/* transceive beteween user-facing port and UDP socket */
+	/* transceive between user-facing port and UDP socket */
 	while (true) {
 	var ASP_RecvFrom rx_rf;
 	var PDU_NS rx_pdu;