offer again ungenerated

1 files changed, 2 insertions, 1 deletions

diff --git a/docs/peers.md b/docs/peers.md
index fc4b6f1..eb1eb5c 100644
--- a/docs/peers.md
+++ b/docs/peers.md
@@ -165,7 +165,8 @@ may not arrive within the transport's delivery limit (Mycelium's five minutes).
 as it knows them). The peer fetches them as a blob, in chunks, from the sender and any
 other peer holding those heads (every such peer produces the same bytes), loads them,
 and syncs on; the rest goes in ordinary messages. Until the peer answers, the sender
-sends it nothing; if the answer is overdue, it offers again. This is how a join without a
+sends it nothing; if the answer is overdue, it offers again (the same offer, without
+generating the message again, while neither side's heads moved). This is how a join without a
 recent remake, or a return after much was written, gets the bulk of its changes. A node
 downloads one delta at a time: while a large one comes, it lacks those changes, so its
 other neighbours offer them too, and they would come once per offer. Offers that come