diff --git a/board/common/rootfs/etc/syslog.d/readme.txt b/board/common/rootfs/etc/syslog.d/readme.txt
new file mode 100644
index 00000000..cc74943e
--- /dev/null
+++ b/board/common/rootfs/etc/syslog.d/readme.txt
@@ -0,0 +1,10 @@
+Reserved facilities for logging in various subsystems:
+
+ - local0: rauc
+ - local1: containers
+ - local2: 
+ - local3: 
+ - local5: 
+ - local6: reserved 
+ - local7: nginx
+