diff --git a/lib/private/allconfig.php b/lib/private/allconfig.php
index e20f369825..d4b4ed6fb6 100644
--- a/lib/private/allconfig.php
+++ b/lib/private/allconfig.php
@@ -332,9 +332,9 @@ class AllConfig implements \OCP\IConfig {
 	/**
 	 * Fetches a mapped list of userId -> value, for a specified app and key and a list of user IDs.
 	 *
-	 * @param $appName app to get the value for
-	 * @param $key the key to get the value for
-	 * @param $userIds the user IDs to fetch the values for
+	 * @param string $appName app to get the value for
+	 * @param string $key the key to get the value for
+	 * @param array $userIds the user IDs to fetch the values for
 	 * @return array Mapped values: userId => value
 	 */
 	public function getUserValueForUsers($appName, $key, $userIds) {
diff --git a/lib/public/iconfig.php b/lib/public/iconfig.php
index fe0f1273a8..a1952ef8f8 100644
--- a/lib/public/iconfig.php
+++ b/lib/public/iconfig.php
@@ -128,9 +128,9 @@ interface IConfig {
 	/**
 	 * Fetches a mapped list of userId -> value, for a specified app and key and a list of user IDs.
 	 *
-	 * @param $appName app to get the value for
-	 * @param $key the key to get the value for
-	 * @param $userIds the user IDs to fetch the values for
+	 * @param string $appName app to get the value for
+	 * @param string $key the key to get the value for
+	 * @param array $userIds the user IDs to fetch the values for
 	 * @return array Mapped values: userId => value
 	 */
 	public function getUserValueForUsers($appName, $key, $userIds);