diff --git a/admin/openwisp-monitoring/Makefile b/admin/openwisp-monitoring/Makefile
index fb8a0e8208..2d70333951 100644
--- a/admin/openwisp-monitoring/Makefile
+++ b/admin/openwisp-monitoring/Makefile
@@ -1,14 +1,14 @@
-# openwisp.org
+# SPDX-Identifier-License: GPL-3.0-only
 #
-# This is free software, licensed under the GNU General Public License v3.
-# See /LICENSE for more information.
+# openwisp.org
+
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=openwisp-monitoring
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_MAINTAINER:=Federico Capoano <support@openwisp.io>
-PKG_LICENSE:=GPL3.0-or-later
+PKG_LICENSE:=GPL-3.0-or-later
 PKG_LICENSE_FILES:=LICENSE
 
 PKG_SOURCE_URL:=https://github.com/openwisp/openwrt-openwisp-monitoring.git