diff --git a/typo3/sysext/core/Classes/Utility/GeneralUtility.php b/typo3/sysext/core/Classes/Utility/GeneralUtility.php
index 1a72be3d86f1da41bd58142a4bdb27a055603765..edb848f9413bd5389a2d0ede003d094a8876d4ed 100644
--- a/typo3/sysext/core/Classes/Utility/GeneralUtility.php
+++ b/typo3/sysext/core/Classes/Utility/GeneralUtility.php
@@ -3213,7 +3213,7 @@ class GeneralUtility
      * @throws \RuntimeException
      * @return object|string[]|false The service object or an array with error infos, or false if no service was found.
      */
-    public static function makeInstanceService($serviceType, $serviceSubType = '', array $excludeServiceKeys = [])
+    public static function makeInstanceService(string $serviceType, string $serviceSubType = '', array $excludeServiceKeys = []): array|object|false
     {
         $error = false;
         $requestInfo = [
diff --git a/typo3/sysext/core/Documentation/Changelog/12.0/Breaking-97210-TypesAddedToMethodSignaturesOrClassProperties.rst b/typo3/sysext/core/Documentation/Changelog/12.0/Breaking-97210-TypesAddedToMethodSignaturesOrClassProperties.rst
index 4be2148b68fbef456d2b27e19e532b025021e9ef..bea909b93547c4affbf6cdbf680eb32772d22b45 100644
--- a/typo3/sysext/core/Documentation/Changelog/12.0/Breaking-97210-TypesAddedToMethodSignaturesOrClassProperties.rst
+++ b/typo3/sysext/core/Documentation/Changelog/12.0/Breaking-97210-TypesAddedToMethodSignaturesOrClassProperties.rst
@@ -9,9 +9,9 @@ See :issue:`97210`
 Description
 ===========
 
-The following PHP classes have had parameter and return types added to their method
-signatures. The types are consistent with existing docblock-documented type
-expectations and existing behavior.
+The following PHP classes have had parameter and return types added to some or
+all of their method signatures. The types are consistent with existing
+docblock-documented type expectations and existing behavior.
 
 - :php:`\TYPO3\CMS\Core\Utility\ArrayUtility`
 - :php:`\TYPO3\CMS\Core\Utility\ClassNamingUtility`
@@ -20,6 +20,7 @@ expectations and existing behavior.
 - :php:`\TYPO3\CMS\Core\Utility\DebugUtility`
 - :php:`\TYPO3\CMS\Core\Utility\DiffUtility`
 - :php:`\TYPO3\CMS\Core\Utility\ExtensionManagementUtility`
+- :php:`\TYPO3\CMS\Core\Utility\GeneralUtility`
 - :php:`\TYPO3\CMS\Core\Utility\MailUtility`
 - :php:`\TYPO3\CMS\Core\Utility\MathUtility`
 - :php:`\TYPO3\CMS\Core\Utility\PathUtility`