* itself. It also fails-over to the next possible clusters
* as provided in the first parameter.
*
- * @param array $tryStores refer to $wgDefaultExternalStore
+ * @param array $tryStores Refer to $wgDefaultExternalStore
* @param string $data
* @param array $params Associative array of ExternalStoreMedium parameters
* @return string|bool The URL of the stored data item, or false on error