From 8b8028353407dd3acb1f641084e503f6a7d6f528 Mon Sep 17 00:00:00 2001
From: Matthew McEachen <matthew@photostructure.com>
Date: Sun, 3 Sep 2023 22:03:41 -0700
Subject: [PATCH] add doc

---
 src/Which.spec.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Which.spec.ts b/src/Which.spec.ts
index 1ff4b3c0..3a2be649 100644
--- a/src/Which.spec.ts
+++ b/src/Which.spec.ts
@@ -6,6 +6,8 @@ if (!isWin32()) {
   describe("Which", () => {
     it("finds perl", async () => {
       const act = await which("perl")
+      // macOS is `/usr/local/bin/perl`. Most linux distros will use
+      // `/usr/bin/perl`, but could be `/bin/perl` and still be valid.
       expect(act).to.match(/^(\/usr(\/local)?)?\/bin\/perl$/)
     })
     it("finds node", async () => {