diff --git a/src/main/lib/exec.ts b/src/main/lib/exec.ts
index b11d53c..0f05d0b 100644
--- a/src/main/lib/exec.ts
+++ b/src/main/lib/exec.ts
@@ -18,9 +18,10 @@ export interface ExecResult {
 /**
  * `execFile` as a promise that never rejects (audit SIMP2/CC4/CC5). Replaces the
  * six hand-rolled `new Promise((resolve) => execFile(…, cb))` wrappers across
- * probe / ytdlp (×2) / ffmpeg / indexer / download.probeMeta / schedule — each
- * caller now maps this normalized result to its own shape instead of repeating the
- * `err.killed` timeout check and the resolve/reject plumbing.
+ * probe / ytdlp (×2) / ffmpeg / indexer / download.probeMeta — each caller now maps
+ * this normalized result to its own shape instead of repeating the `err.killed`
+ * timeout check and the resolve/reject plumbing. (schedule.ts keeps its own wrapper:
+ * it needs the numeric exit code, which this helper deliberately doesn't surface.)
  *
  * `windowsHide` defaults on (every caller wants the console window suppressed);
  * pass `timeout` / `maxBuffer` per call exactly as before.