From a86ae585a6ed841b9f855baa0d7fd44cb38c407d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ra=C3=BAl=20Kripalani?= <raul@protocol.ai>
Date: Mon, 10 Aug 2020 12:37:42 +0100
Subject: [PATCH] reference spec change in comment.

---
 gossipsub.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gossipsub.go b/gossipsub.go
index 247fda9..c4e37d1 100644
--- a/gossipsub.go
+++ b/gossipsub.go
@@ -1501,6 +1501,7 @@ func (gs *GossipSubRouter) clearBackoff() {
 	for topic, backoff := range gs.backoff {
 		for p, expire := range backoff {
 			// add some slack time to the expiration
+			// https://github.com/libp2p/specs/pull/289
 			if expire.Add(2 * GossipSubHeartbeatInterval).Before(now) {
 				delete(backoff, p)
 			}