AETHER-3611 Change to Apache 2.0 license

Change-Id: I8dee9193783201ff9cb4c748a9a937f80b87c720
diff --git a/edge-monitoring-server/Makefile b/edge-monitoring-server/Makefile
index dee8688..7417cc4 100644
--- a/edge-monitoring-server/Makefile
+++ b/edge-monitoring-server/Makefile
@@ -1,6 +1,6 @@
 # Copyright 2020-present Open Networking Foundation
 #
-# SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+# SPDX-License-Identifier: Apache-2.0
 
 # Secret iCal URL for ACE downtime calendar
 SECRET_ICAL_URL ?=