From 01e5e08be2a498a34032a1301c7fba4692c16280 Mon Sep 17 00:00:00 2001
From: Viacheslav Gonkivskyi <viacheslavgonkivskyi@gmail.com>
Date: Fri, 23 Feb 2024 12:31:38 +0200
Subject: [PATCH] add comment

---
 p2p/session.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/p2p/session.go b/p2p/session.go
index 70cce86f..505759ff 100644
--- a/p2p/session.go
+++ b/p2p/session.go
@@ -213,6 +213,9 @@ func (s *session[H]) doRequest(
 			"err", err,
 			"peer", stat.peerID,
 		)
+		// ErrNotFound is not a critical error here. It means
+		// that peer hasn't synced the requested range yet.
+		// Returning peer to the queue, so it could serve another ranges.
 		if errors.Is(err, header.ErrNotFound) {
 			s.queue.push(stat)
 		}