diff --git a/PERFORMANCE_AUDIT.md b/PERFORMANCE_AUDIT.md
index 2b3e2b0..e697cc3 100644
--- a/PERFORMANCE_AUDIT.md
+++ b/PERFORMANCE_AUDIT.md
@@ -16,7 +16,7 @@ This document details the performance improvements made in V0.4.0. The primary g
 
 ## 2. Testing Methodology & Environment
 *To ensure reproducibility, all metrics were captured under the following conditions:*
-- **Hardware:** MacBook Pro M1, 16GB RAM (Baseline mid-tier dev machine).
+- **Hardware:** MacBook Air M4, 16GB RAM (Baseline mid-tier dev machine).
 - **OS:** macOS 14.0.
 - **Dataset:** Workspace containing 500 markdown notes, averaging 2KB each.
 - **Tooling:** Chromium DevTools (Performance & Memory tabs), Electron `process.memoryUsage()`, and custom `performance.mark()` IPC timers.