#s4v2 - Add default config for node-os agent

PiperOrigin-RevId: 831478482
Change-Id: I033299285a323bfcfbf74c333bc559efebf5f969
diff --git a/proto/safepower_agent_config.proto b/proto/safepower_agent_config.proto
index c734c6b..178b926 100644
--- a/proto/safepower_agent_config.proto
+++ b/proto/safepower_agent_config.proto
@@ -83,6 +83,7 @@
 
 message ActionConfig {
   string action_name = 1;
+  // Use "@self" to specify the current node entity tag in the target component.
   safepower_agent_proto.Action action = 2;
   int32 disruption_timeout_seconds = 3;