From 7fb28fa640b94af7636ffa8fd70f4a1af5d1262b Mon Sep 17 00:00:00 2001
From: Shadow <146137079+0xShadowX@users.noreply.github.com>
Date: Fri, 25 Sep 2026 15:58:30 +0400
Subject: [PATCH] bip174: add PSBT_IN_P2C_TWEAK to the type registry

BIP-372 defines PSBT_IN_P2C_TWEAK = 0x19, but the per-input table in the
type registry goes from 0x18 straight to 0x1a.
---
 bip-0174/type-registry.mediawiki | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/bip-0174/type-registry.mediawiki b/bip-0174/type-registry.mediawiki
index 70aa1434..c55987b3 100644
--- a/bip-0174/type-registry.mediawiki
+++ b/bip-0174/type-registry.mediawiki
@@ -163,6 +163,10 @@ This document collects the fields and types used in PSBTs of any version from al
 | <tt>PSBT_IN_TAP_MERKLE_ROOT = 0x18</tt>
 | [[../bip-0371.mediawiki|371]]
 |-
+| P2C Key Tweak
+| <tt>PSBT_IN_P2C_TWEAK = 0x19</tt>
+| [[../bip-0372.mediawiki|372]]
+|-
 | MuSig2 Participant Public Keys
 | <tt>PSBT_IN_MUSIG2_PARTICIPANT_PUBKEYS = 0x1a</tt>
 | [[../bip-0373.mediawiki|373]]