diff --git a/workplans/archived/260702-RAIL-HO-WP-0001-hosteurope-bootstrap.md b/workplans/archived/260702-RAIL-HO-WP-0001-hosteurope-bootstrap.md
index c2309f8..27c72d1 100644
--- a/workplans/archived/260702-RAIL-HO-WP-0001-hosteurope-bootstrap.md
+++ b/workplans/archived/260702-RAIL-HO-WP-0001-hosteurope-bootstrap.md
@@ -57,6 +57,8 @@ Then Claude on the remote host can reach `http://127.0.0.1:8000` as normal.
 See also: the tunnel setup note in `CLAUDE.md`.
 ---
 
+> **Terminology note:** Historical text in this archived workplan may use the legacy term "workstream". The fleet term is **workplan** (`canon/standards/workplan-terminology-fleet_v0.1.md`).
+
 ## Tasks
 
 ### T01 — Add HostEurope host to inventory
diff --git a/workplans/archived/260702-RAIL-HO-WP-0002-server-spec-and-test-suite.md b/workplans/archived/260702-RAIL-HO-WP-0002-server-spec-and-test-suite.md
index 29ef533..fa7d54a 100644
--- a/workplans/archived/260702-RAIL-HO-WP-0002-server-spec-and-test-suite.md
+++ b/workplans/archived/260702-RAIL-HO-WP-0002-server-spec-and-test-suite.md
@@ -13,6 +13,8 @@ updated: "2026-03-09"
 completed: "2026-03-09"
 ---
 
+> **Terminology note:** Historical text in this archived workplan may use the legacy term "workstream". The fleet term is **workplan** (`canon/standards/workplan-terminology-fleet_v0.1.md`).
+
 # Server Specification and Automated Test Suite
 
 ## Motivation
diff --git a/workplans/archived/260702-RAIL-HO-WP-0003-5repo-stack-restructure.md b/workplans/archived/260702-RAIL-HO-WP-0003-5repo-stack-restructure.md
index 748fed5..5dec257 100644
--- a/workplans/archived/260702-RAIL-HO-WP-0003-5repo-stack-restructure.md
+++ b/workplans/archived/260702-RAIL-HO-WP-0003-5repo-stack-restructure.md
@@ -13,6 +13,8 @@ updated: "2026-03-10"
 completed: "2026-03-10"
 ---
 
+> **Terminology note:** Historical text in this archived workplan may use the legacy term "workstream". The fleet term is **workplan** (`canon/standards/workplan-terminology-fleet_v0.1.md`).
+
 # Railiance 5-Repo Stack Restructure
 
 ## Goal
diff --git a/workplans/archived/260702-RAIL-HO-WP-0004-production-readiness.md b/workplans/archived/260702-RAIL-HO-WP-0004-production-readiness.md
index 3a1a931..66bb37b 100644
--- a/workplans/archived/260702-RAIL-HO-WP-0004-production-readiness.md
+++ b/workplans/archived/260702-RAIL-HO-WP-0004-production-readiness.md
@@ -14,6 +14,8 @@ supersedes: RAIL-PL-WP-0001
 state_hub_workstream_id: "cee078e9-b18c-4f84-8a8a-6f27c2f9f407"
 ---
 
+> **Terminology note:** Historical text in this archived workplan may use the legacy term "workstream". The fleet term is **workplan** (`canon/standards/workplan-terminology-fleet_v0.1.md`).
+
 # Railiance Production Readiness — Automated, Reproducible Stack
 
 ## Goal