diff --git a/main.go b/main.go
index e6cfc9f..cbcdbe8 100644
--- a/main.go
+++ b/main.go
@@ -286,6 +286,9 @@ func raceUpstreams(pool []string) (string, error) {
 }
 
 // watchdog monitors message activity and triggers reconnection if stalled
+// this is useful if bsky relay is down, which means all the jetstreams will be
+// reachable but not send any messages. we should swap to alternate relay infrastructure
+// in this case (via raceUpstreams)
 func watchdog(broadcaster *Broadcaster, trigger chan struct{}) {
 	ticker := time.NewTicker(5 * time.Second)
 	defer ticker.Stop()