1 files changed, 4 insertions, 0 deletions
diff --git a/brandt.h b/brandt.h
index fe50896..ec3c959 100644
--- a/brandt.h
+++ b/brandt.h
@@ -170,6 +170,10 @@ BRANDT_free ();
 /**
  * Receive a message related to a specific auction.
  *
+ * If the message is from a future round and cannot be processed yet, it is
+ * cached in RAM. It will not be stored on disc until it can be used, since the
+ * messages completing the previous round should all arrive relatively soon.
+ *
  * @param[in] auction The pointer returned by BRANDT_join() or BRANDT_new() from
  * which message @a msg was received.
  * @param[in] sender The id of the sender.