diff --git a/local/docs/IMPROVEMENT-PLAN.md b/local/docs/IMPROVEMENT-PLAN.md
index 61cfe1d6da..cbc6070bab 100644
--- a/local/docs/IMPROVEMENT-PLAN.md
+++ b/local/docs/IMPROVEMENT-PLAN.md
@@ -199,7 +199,7 @@ Pattern uses `.unwrap()` after logging. Replace with proper `?` propagation.
 
 ## 4. P2 — Medium Priority (this month)
 
-### 4.1 xhcid: Wire or remove usb-core::UsbHostController trait
+### 4.1 xhcid: Wire or remove usb-core::UsbHostController trait ✅ ALREADY IMPLEMENTED (2026-07-08)
 
 **File**: `recipes/drivers/usb-core/src/scheme.rs:12`
 **Severity**: MEDIUM — dead code representing unexecuted vision