diff --git a/README.md b/README.md
index b8ad75b..b27ea62 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ of reliable nodes via a built-in DNS server.
 Features:
 * regularly revisits known nodes to check their availability
 * bans nodes after enough failures, or bad behaviour
-* accepts nodes down to protocol version 180003 to request new IP addresses from,
+* accepts nodes down to protocol version 170002 to request new IP addresses from,
   but only reports good (180004) nodes.
 * keeps statistics over (exponential) windows of 2 hours, 8 hours,
   1 day and 1 week, to base decisions on.