diff --git a/packages/qa/dogfood/tsconfig.json b/packages/qa/dogfood/tsconfig.json
index b16ce55d189..72057137379 100644
--- a/packages/qa/dogfood/tsconfig.json
+++ b/packages/qa/dogfood/tsconfig.json
@@ -8,13 +8,14 @@
     "skipLibCheck": true,
     "noEmit": true,
     "types": ["node"],
-    // No `rootDir`. This project emits nothing (`noEmit`), so `rootDir` never
-    // shaped an output layout here — its only effect was to forbid importing a
-    // sibling package's SOURCE file, and the route-ledger ↔ live-mount parity
-    // gate (#7526) must read the five ledgers exactly that way: each one is
-    // package-internal on purpose (the guard's data, not public API), so there
-    // is no entry point to import them from. Every other ledger guard in the
-    // repo compiles them as relative sources for the same reason.
+    // `rootDir` is set to the repo root — wide enough to be a no-op. This
+    // project emits nothing (`noEmit`), so `rootDir` never shaped an output
+    // layout here — its only effect was to forbid importing a sibling
+    // package's SOURCE file, and the route-ledger ↔ live-mount parity gate
+    // (#7526) must read the five ledgers exactly that way: each one is
+    // package-internal on purpose (the guard's data, not public API), so
+    // there is no entry point to import them from. Every other ledger guard
+    // in the repo compiles them as relative sources for the same reason.
     "rootDir": "../../.."
   },
   "include": ["test/**/*"],