diff --git a/package/swupdate/swupdate.mk b/package/swupdate/swupdate.mk
index 144587d11c..3327596d19 100644
--- a/package/swupdate/swupdate.mk
+++ b/package/swupdate/swupdate.mk
@@ -195,6 +195,8 @@ $(error No Swupdate configuration file specified, check your BR2_PACKAGE_SWUPDAT
 endif
 endif
 
+# Services and configs derived from meta-swupdate(MIT license)
+# https://github.com/sbabic/meta-swupdate/tree/master/recipes-support/swupdate/swupdate
 define SWUPDATE_INSTALL_COMMON
 	mkdir -p $(TARGET_DIR)/etc/swupdate/conf.d \
 		$(TARGET_DIR)/usr/lib/swupdate/conf.d