From f5a15ea27e06ce8f5635117931f06318f532a713 Mon Sep 17 00:00:00 2001
From: mattn <mattn.jp@gmail.com>
Date: Wed, 24 Dec 2025 02:53:38 +0900
Subject: add relay tag (#2173)

---
 40.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to '40.md')

diff --git a/40.md b/40.md
index 909747f..9450b3c 100644
--- a/40.md
+++ b/40.md
@@ -4,7 +4,7 @@ NIP-40
 Expiration Timestamp
 --------------------
 
-`draft` `optional`
+`draft` `optional` `relay`
 
 The `expiration` tag enables users to specify a unix timestamp at which the message SHOULD be considered expired (by relays and clients) and SHOULD be deleted by relays.
 
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