TravisCI -- fix coding standards

islandora.api.php

@@ -950,7 +950,10 @@ function callback_islandora_breadcrumbs_backends(AbstractObject $object) {
  * Permit modules to alter the filename of a downloaded datastream.
  *
  * @param string $filename
+ *   The filename being created.
+ *
  * @param AbstractDatastream $datastream
+ *   The datastream object being downloaded.
  */
 function hook_datastream_filename_alter(&$filename, AbstractDatastream $datastream) {