diff --git a/apps/files_external/lib/Controller/GlobalStoragesController.php b/apps/files_external/lib/Controller/GlobalStoragesController.php
index 471e3b5159..71bef7dc71 100644
--- a/apps/files_external/lib/Controller/GlobalStoragesController.php
+++ b/apps/files_external/lib/Controller/GlobalStoragesController.php
@@ -127,6 +127,7 @@ class GlobalStoragesController extends StoragesController {
 	 * @param array $applicableUsers users for which to mount the storage
 	 * @param array $applicableGroups groups for which to mount the storage
 	 * @param int $priority priority
+	 * @param bool $testOnly whether to storage should only test the connection or do more things
 	 *
 	 * @return DataResponse
 	 */
diff --git a/apps/files_external/lib/Controller/StoragesController.php b/apps/files_external/lib/Controller/StoragesController.php
index e50426f488..c1216008ff 100644
--- a/apps/files_external/lib/Controller/StoragesController.php
+++ b/apps/files_external/lib/Controller/StoragesController.php
@@ -237,6 +237,7 @@ abstract class StoragesController extends Controller {
 	 * on whether the remote storage is available or not.
 	 *
 	 * @param StorageConfig $storage storage configuration
+	 * @param bool $testOnly whether to storage should only test the connection or do more things
 	 */
 	protected function updateStorageStatus(StorageConfig &$storage, $testOnly = true) {
 		try {
@@ -291,6 +292,7 @@ abstract class StoragesController extends Controller {
 	 * Get an external storage entry.
 	 *
 	 * @param int $id storage id
+	 * @param bool $testOnly whether to storage should only test the connection or do more things
 	 *
 	 * @return DataResponse
 	 */
diff --git a/apps/files_external/lib/Controller/UserGlobalStoragesController.php b/apps/files_external/lib/Controller/UserGlobalStoragesController.php
index f65e578507..3006e72666 100644
--- a/apps/files_external/lib/Controller/UserGlobalStoragesController.php
+++ b/apps/files_external/lib/Controller/UserGlobalStoragesController.php
@@ -107,6 +107,7 @@ class UserGlobalStoragesController extends StoragesController {
 	 * Get an external storage entry.
 	 *
 	 * @param int $id storage id
+	 * @param bool $testOnly whether to storage should only test the connection or do more things
 	 * @return DataResponse
 	 *
 	 * @NoAdminRequired
@@ -139,6 +140,7 @@ class UserGlobalStoragesController extends StoragesController {
 	 *
 	 * @param int $id storage id
 	 * @param array $backendOptions backend-specific options
+	 * @param bool $testOnly whether to storage should only test the connection or do more things
 	 *
 	 * @return DataResponse
 	 *
diff --git a/apps/files_external/lib/Controller/UserStoragesController.php b/apps/files_external/lib/Controller/UserStoragesController.php
index 28663090e8..5dc23aad76 100644
--- a/apps/files_external/lib/Controller/UserStoragesController.php
+++ b/apps/files_external/lib/Controller/UserStoragesController.php
@@ -159,6 +159,7 @@ class UserStoragesController extends StoragesController {
 	 * @param string $authMechanism authentication mechanism identifier
 	 * @param array $backendOptions backend-specific options
 	 * @param array $mountOptions backend-specific mount options
+	 * @param bool $testOnly whether to storage should only test the connection or do more things
 	 *
 	 * @return DataResponse
 	 *