From e720a5cda8820e2d9357161f8f9bd76f87e2631f Mon Sep 17 00:00:00 2001
From: Wren
 <5217c5c2f7bfb4333e46d17c98a9255a52dadee18dcd43a43536b95e6776dfa0@buzz.block.builderlab.xyz>
Date: Fri, 21 Aug 2026 15:57:22 -0400
Subject: [PATCH] Clarify missing delegated skew

Distinguish missing delegated skew configuration from the optional
not_before evidence field.

Co-authored-by: Wren <5217c5c2f7bfb4333e46d17c98a9255a52dadee18dcd43a43536b95e6776dfa0@buzz.block.builderlab.xyz>
Signed-off-by: Wren <5217c5c2f7bfb4333e46d17c98a9255a52dadee18dcd43a43536b95e6776dfa0@buzz.block.builderlab.xyz>
---
 docs/nips/NIP-FI-DELEG.md | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/docs/nips/NIP-FI-DELEG.md b/docs/nips/NIP-FI-DELEG.md
index 30e8312019..9b9134c2b3 100644
--- a/docs/nips/NIP-FI-DELEG.md
+++ b/docs/nips/NIP-FI-DELEG.md
@@ -56,8 +56,9 @@ The evidence authenticates every field, has one unambiguous owner and delegate,
 matches the server-owned domain and exact request or target, and has a finite
 expiry satisfying `now < mandatory_expiry`; equality at an expiry is expired.
 Optional `not_before` satisfies `not_before <= now + skew`, using the
-configured delegated `skew`; arithmetic is overflow-safe. A missing value
-denies. The proven actor equals `delegate_key`. [FI-DELEG-EVIDENCE-CLOSED]
+configured delegated `skew`; arithmetic is overflow-safe. A missing
+configured `skew` denies. The proven actor equals `delegate_key`.
+[FI-DELEG-EVIDENCE-CLOSED]
 
 A delegated request carries fresh request-appropriate Nostr proof and no
 `Nostr-Federated-Identity` or profile provenance field. Mixed direct and