From 1b834f0f88f130289b34d734c4ef981f03f9c169 Mon Sep 17 00:00:00 2001
From: seugu <99656002+seugu@users.noreply.github.com>
Date: Tue, 6 Jan 2026 22:27:34 +0300
Subject: [PATCH] add cross ref link

---
 vac/raw/multi-message_id-burn-rln.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/vac/raw/multi-message_id-burn-rln.md b/vac/raw/multi-message_id-burn-rln.md
index 81b8ada..a55cad7 100644
--- a/vac/raw/multi-message_id-burn-rln.md
+++ b/vac/raw/multi-message_id-burn-rln.md
@@ -153,7 +153,8 @@ where 0 < `i` ≤ `max_out`,  `max_out` is a new parameter that is fixed for a a
 To define this fixed number makes the circuit is flexiable with a single circuit that is maintable.
 Since the user is free to burn arbitrary number of `message_id` at once up to `max_out`.
 
-Note that within a given epoch, the `external_nullifier` MUST be identical for all messages,
+Note that within a given epoch, the `external_nullifier` MUST be identical for all messages
+as shown in NULL (unused) output [section](#null-unused-outputs),
 as it is computed deterministically from the epoch value and the `rln_identifier` as follows:
 
 ```js