Added documentation

src/Worker/UpdateServerDirectory.php

@@ -9,6 +9,10 @@ use Friendica\Model\GServer;
 
 class UpdateServerDirectory
 {
+	/**
+	 * Query the given server for their users
+	 * @param string $gserver Server URL
+	 */
 	public static function execute($gserver)
 	{
 		GServer::updateDirectory($gserver);