diff --git a/README.md b/README.md
index 7bce60f..2a13f22 100644
--- a/README.md
+++ b/README.md
@@ -159,10 +159,10 @@ starts at once.
 ### Row order
 
 The WAN rows are sorted by their latest latency, fastest first and unreachable
-last. The rows are sorted when the second round ends, then every 10 rounds. The
-pin button at the left of a row keeps the row at the top. Pinned rows are sorted
-by name, and a line separates them from the rest. `datavi.be` is pinned at
-start.
+last. The rows are sorted when the second round ends, and again in rounds 11,
+21, 31 and so on. The pin button at the left of a row keeps the row at the top.
+Pinned rows are sorted by name, and a line separates them from the rest.
+`datavi.be` is pinned at start.
 
 ### Controls