diff --git a/workplans/archived/260707-IRP-WP-0001-pipeline-validation.md b/workplans/archived/260707-IRP-WP-0001-pipeline-validation.md
index aabaa2e..8882e4f 100644
--- a/workplans/archived/260707-IRP-WP-0001-pipeline-validation.md
+++ b/workplans/archived/260707-IRP-WP-0001-pipeline-validation.md
@@ -11,6 +11,8 @@ updated: "2026-07-07"
 state_hub_workstream_id: "dce43c1c-1a4c-4b8d-aeb1-7755c9243a38"
 ---
 
+> **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`).
+
 # ihp-railiance-probe — Full Pipeline Validation
 
 ## Goal