diff --git a/system/API/ResponseTrait.php b/system/API/ResponseTrait.php
index c168e379782d..34a65008a63d 100644
--- a/system/API/ResponseTrait.php
+++ b/system/API/ResponseTrait.php
@@ -97,9 +97,9 @@ trait ResponseTrait
 	 * Provides a single, simple method to return an API response, formatted
 	 * to match the requested format, with proper content-type and status code.
 	 *
-	 * @param null    $data
-	 * @param integer $status
-	 * @param string  $message
+	 * @param array|string|null $data
+	 * @param integer           $status
+	 * @param string            $message
 	 *
 	 * @return mixed
 	 */