diff --git a/README.md b/README.md
index c7a36836..4d5dc2c5 100644
--- a/README.md
+++ b/README.md
@@ -360,7 +360,7 @@ The chosen port in the `cluster.listen-address` flag is the port that needs to b
 specified in the `cluster.peer` flag of the other peers.
 
 The `cluster.advertise-address` flag is required if the instance doesn't have
-an IP address that is part of [RFC 6980](https://tools.ietf.org/html/rfc6890)
+an IP address that is part of [RFC 6890](https://tools.ietf.org/html/rfc6890)
 with a default route.
 
 To start a cluster of three peers on your local machine use [`goreman`](https://github.com/mattn/goreman) and the