diff --git a/module/VuFind/src/VuFind/ILS/Driver/Aleph.php b/module/VuFind/src/VuFind/ILS/Driver/Aleph.php
index 506cc79cf71783216b97288beec95d007e24a63d..0fa76585b603eab2b4d1b1463405ce1ba33c5297 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/Aleph.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/Aleph.php
@@ -164,7 +164,7 @@ class AlephTranslator
      * tab15 callback (modify $tab15 by reference)
      *
      * @param array  $matches preg_match() return array
-     * @param array  $tab15   result array to generate
+     * @param array  &$tab15  result array to generate
      * @param string $charset character set
      *
      * @return void
@@ -195,7 +195,7 @@ class AlephTranslator
      * tab40 callback (modify $tab40 by reference)
      *
      * @param array  $matches preg_match() return array
-     * @param array  $tab40   result array to generate
+     * @param array  &$tab40  result array to generate
      * @param string $charset character set
      *
      * @return void
@@ -213,9 +213,9 @@ class AlephTranslator
     /**
      * sub-library callback (modify $tab_sub_library by reference)
      *
-     * @param array  $matches         preg_match() return array
-     * @param array  $tab_sub_library result array to generate
-     * @param string $charset         character set
+     * @param array  $matches          preg_match() return array
+     * @param array  &$tab_sub_library result array to generate
+     * @param string $charset          character set
      *
      * @return void
      */