diff --git a/rootdir/init.rc b/rootdir/init.rc
index ebbec35..ae86834 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -681,6 +681,10 @@
 on property:security.perf_harden=1
     write /proc/sys/kernel/perf_event_paranoid 3
 
+# on shutdown
+# In device's init.rc, this trigger can be used to do device-specific actions
+# before shutdown. e.g disable watchdog and mask error handling
+
 ## Daemon processes to be run by init.
 ##
 service ueventd /sbin/ueventd