diff --git a/dev-docs/ARCH-BINDINGS.md b/dev-docs/ARCH-BINDINGS.md
index 92e4d720..a9d2c1dd 100644
--- a/dev-docs/ARCH-BINDINGS.md
+++ b/dev-docs/ARCH-BINDINGS.md
@@ -5,6 +5,7 @@
 - v0.1 (skeleton) — 2026-04-25
 - v0.4 — 2026-04-28 — § 8.2 IDOR class tests (sessie 3a backend hardening)
 - v0.5 — 2026-04-28 — Appendix on v1 registry scope (sessie 3a.5 model alignment)
+- v0.6 — 2026-04-28 — §1 polish: align with v1 registry scope (sessie 3b polish review)
 - Owner: Bert
 - Authoritative for the binding pipeline architecture, complementing
   ARCH-FORM-BUILDER.md §17 and §31.
@@ -13,8 +14,10 @@
 ## 1. Scope
 
 The binding pipeline turns a submitted form (`form_submissions`) into
-durable writes against domain entities — Person, Artist, Company, User
-— via per-field bindings configured in `form_field_bindings` (WS-5a).
+durable writes against domain entities — Person, Company, User — via
+per-field bindings configured in `form_field_bindings` (WS-5a). The
+`artist` entity is intentionally absent from the v1 binding-target
+registry; see the appendix for the rationale.
 
 This document describes the end-to-end flow from
 `FormSubmissionSubmitted` event to the post-pipeline state where the