diff --git a/workplans/archived/260622-ADAPTIVE-WP-0002-economic-observatory-mvp.md b/workplans/archived/260622-ADAPTIVE-WP-0002-economic-observatory-mvp.md
index 5489156..5c4446f 100644
--- a/workplans/archived/260622-ADAPTIVE-WP-0002-economic-observatory-mvp.md
+++ b/workplans/archived/260622-ADAPTIVE-WP-0002-economic-observatory-mvp.md
@@ -12,6 +12,8 @@ updated: "2026-07-02"
 state_hub_workstream_id: "9e0b7784-702a-4bc7-b7a1-3ff801f9c768"
 ---
 
+> **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`).
+
 # Economic Observatory MVP (Coulomb Social)
 
 Build the first practical implementation of the Adaptive Pricing framework using