diff --git a/plugins/research_sync/README.md b/plugins/research_sync/README.md
index 99983fc0..bd6dc89b 100644
--- a/plugins/research_sync/README.md
+++ b/plugins/research_sync/README.md
@@ -13,7 +13,8 @@ Turning it on replaces the server's queue with the cluster's, or, if the cluster
 Turning it off clears the server's queue.
 Flipping it prints a chat line on that server.
 It is on by default.
-On the first start after installing or upgrading, the first server to start shares its queue as the cluster queue, and later servers take it.
+The first server to turn on with something queued shares its queue as the cluster queue, and servers that turn on after that take the cluster's.
+Whenever the cluster queue is empty (for example, everything in it has finished), the next server that turns on shares its queue again.
 Every change to the cluster queue prints a chat line on every server.
 
 It needs Factorio 2.0.56 or later, older servers ignore the queue.