diff --git a/doc/SPEC-implementation.md b/doc/SPEC-implementation.md
index 44ff0bb037..f39042aa31 100644
--- a/doc/SPEC-implementation.md
+++ b/doc/SPEC-implementation.md
@@ -83,9 +83,13 @@ V1 implementation extends this baseline into a company-centric, governance-aware
 - Revenue/expense accounting beyond model/token costs
 - Knowledge base subsystem
 - Public marketplace (ClipHub)
-- Multi-board governance or role-based human permission granularity
+- Multi-board governance (multiple board UIs for a single company)
 - Automatic self-healing orchestration (auto-reassign/retry planners)
 
+Role-based human permission granularity is V1 — see the `humans-and-permissions`
+plan, the `principal_permission_grants` table, and the `PERMISSION_KEYS` set
+in `packages/shared/src/constants.ts`.
+
 ## 6. Architecture
 
 ## 6.1 Runtime Components