diff --git a/dictionaries/CallMap.php b/dictionaries/CallMap.php
index ea6f7b0e3..98ad12c70 100644
--- a/dictionaries/CallMap.php
+++ b/dictionaries/CallMap.php
@@ -13182,9 +13182,9 @@ return [
 'spl_autoload' => ['void', 'class'=>'string', 'file_extensions='=>'string'],
 'spl_autoload_call' => ['void', 'class'=>'string'],
 'spl_autoload_extensions' => ['string', 'file_extensions='=>'string'],
-'spl_autoload_functions' => ['false|array'],
+'spl_autoload_functions' => ['false|list<callable(string):void>'],
 'spl_autoload_register' => ['bool', 'callback='=>'callable(string):void', 'throw='=>'bool', 'prepend='=>'bool'],
-'spl_autoload_unregister' => ['bool', 'callback'=>'mixed'],
+'spl_autoload_unregister' => ['bool', 'callback'=>'callable(string):void'],
 'spl_classes' => ['array'],
 'spl_object_hash' => ['string', 'object'=>'object'],
 'spl_object_id' => ['int', 'object'=>'object'],