diff --git a/core/lib/Drupal/Core/Composer/Composer.php b/core/lib/Drupal/Core/Composer/Composer.php
index 01a4d69a40..fc1fe13e50 100644
--- a/core/lib/Drupal/Core/Composer/Composer.php
+++ b/core/lib/Drupal/Core/Composer/Composer.php
@@ -72,8 +72,7 @@ class Composer {
    * Add vendor classes to Composer's static classmap.
    */
   public static function preAutoloadDump(Event $event) {
-    // The current working directory for composer scripts is where you run
-    // composer from.
+    // Get the configured vendor directory.
     $vendor_dir = $event->getComposer()->getConfig()->get('vendor-dir');
 
     // We need the root package so we can add our classmaps to its loader.