diff --git a/README.md b/README.md
index eb5e93fc79..987bef45eb 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Core Monorepo
+# Core Monorepo <!-- benchmark: ignored root file change -->
 
 This monorepo is a collection of packages used across multiple MetaMask clients (e.g. [`metamask-extension`](https://github.com/MetaMask/metamask-extension/), [`metamask-mobile`](https://github.com/MetaMask/metamask-mobile/)).
 
diff --git a/packages/logging-controller/src/LoggingController.ts b/packages/logging-controller/src/LoggingController.ts
index 55c4a7bbb3..dbacac9735 100644
--- a/packages/logging-controller/src/LoggingController.ts
+++ b/packages/logging-controller/src/LoggingController.ts
@@ -1,3 +1,4 @@
+// Benchmark: mixed change (ignored root + single package).
 import type {
   ControllerGetStateAction,
   ControllerStateChangeEvent,