openwisp-monitoring: cleanup Makefile

The license identifier has a typo. Fix it.
Use SPDX instead of license boilerplate.

Signed-off-by: Nick Hainke <vincent@systemli.org>

diff --git a/admin/openwisp-monitoring/Makefile b/admin/openwisp-monitoring/Makefile
index fb8a0e8208c4b00da4511a16c00dc51c4178dba7..2d703339512321ee5cea5e65ea8ae6b0a0d3f4d8 100644 (file)
--- 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