slow link a hop more

1 files changed, 3 insertions, 1 deletions

diff --git a/docs/peers.md b/docs/peers.md
index eefb0cc..29512a5 100644
--- a/docs/peers.md
+++ b/docs/peers.md
@@ -351,7 +351,9 @@ built on the graph the member list gives (as if every member reached every other
 on whom each member says it reaches. Members are ordered by their distance from the
 writer over that graph, then whether they reach a member a hop closer, then by key; a
 member's parent is the neighbour it reaches that comes before it, the closest to the
-writer first, then one that reaches closer, then the one it said it has the shortest
+writer first (a link at least two round-trip buckets slower than its fastest to one
+counting a hop more: a slow circuit to the writer is passed over for a fast link to a
+member as close), then one that reaches closer, then the one it said it has the shortest
 round trip to, then by pair score. Coming before rules out
 cycles; taking only one it reaches routes around links that don't work: where a writer
 behind NAT reaches a single member, that one comes first among those as far from it,