diff --git a/README.md b/README.md
index 3d56e17..f10c14d 100644
--- a/README.md
+++ b/README.md
@@ -153,7 +153,7 @@ go build -tags sdrplay ./cmd/sdrd
 - `GET /api/gpu`
 - `GET /api/pipeline/policy`
 - `GET /api/pipeline/recommendations`
-- `GET /api/refinement` → latest refinement plan/windows snapshot
+- `GET /api/refinement` → latest refinement plan/windows snapshot (includes `window_stats`)
 
 ### Signals / Events
 - `GET /api/signals` → current live signals