diff --git a/dist/index.js b/dist/index.js
index 74dbbc8..7ed5c28 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -12142,6 +12142,7 @@ async function fetchAutoCacher() {
     coreExports.info(`Fetching the Magic Nix Cache from ${binary_url}`);
     const { stdout } = await promisify$1(exec)(`curl "${binary_url}" | xz -d | nix-store --import`);
     const paths = stdout.split(os$2.EOL);
+    // Since the export is in reverse topologically sorted order, magic-nix-cache is always the penultimate entry in the list (the empty string left by split being the last).
     const last_path = paths.at(-2);
     console.log(`stdout: ${last_path}`);
     return `${last_path}/bin/magic-nix-cache`;
diff --git a/src/index.ts b/src/index.ts
index d1bc90b..19d1866 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -66,6 +66,7 @@ async function fetchAutoCacher() {
 
   const paths = stdout.split(os.EOL);
 
+  // Since the export is in reverse topologically sorted order, magic-nix-cache is always the penultimate entry in the list (the empty string left by split being the last).
   const last_path = paths.at(-2);
 
   console.log(`stdout: ${last_path}`);