diff --git a/module/VuFind/src/VuFind/ILS/Driver/Aleph.php b/module/VuFind/src/VuFind/ILS/Driver/Aleph.php
index 2c18f491ca257e182accf3fb94c984aa168d6363..41bd7dca9539a13be78f679e0fbb452308ee2b20 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/Aleph.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/Aleph.php
@@ -1031,7 +1031,7 @@ class Aleph extends AbstractBase implements \Zend\Log\LoggerAwareInterface,
      * Renew My Items
      *
      * Function for attempting to renew a patron's items.  The data in
-     * $renewDetails['details'] is determined by getRenewDetails().
+     * $details['details'] is determined by getRenewDetails().
      *
      * @param array $details An array of data required for renewing items
      * including the Patron ID and an array of renewal IDS