diff --git a/services/TimedMessageService.py b/services/TimedMessageService.py
index 9116f20..8d77056 100644
--- a/services/TimedMessageService.py
+++ b/services/TimedMessageService.py
@@ -75,6 +75,7 @@ class TimedMessageService(Service):
         for msg_id in self.messages:
             new_time = starting_time + timedelta(minutes = self.messages[msg_id]["interval"])
             formatted = new_time.strftime("%H:%M")
+            # avoids two messages to spawn at the same time, inducing a 3 minutes delay
             while formatted in times:
                 new_time += timedelta(minutes = 3)
                 formatted = new_time.strftime("%H:%M")