diff --git a/kronolith/lib/Api.php b/kronolith/lib/Api.php
index fb619aff5c8..14386aa0567 100644
--- a/kronolith/lib/Api.php
+++ b/kronolith/lib/Api.php
@@ -483,9 +483,9 @@ public function getDefaultShare()
      * events that represent exceptions, making this method useful for syncing
      * purposes. For more control, use the listEvents method.
      *
-     * @param string $calendars    The calendar to check for events.
-     * @param object $startstamp   The start of the time range.
-     * @param object $endstamp     The end of the time range.
+     * @param string|array $calendars    The calendar to check for events.
+     * @param object $startstamp         The start of the time range.
+     * @param object $endstamp           The end of the time range.
      *
      * @return array  The event ids happening in this time period.
      * @throws Kronolith_Exception