[ci skip] style and phpdoc-related changes (rel #1295)
diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php
index f4509b1..32a9e75 100644
--- a/system/database/drivers/pdo/pdo_driver.php
+++ b/system/database/drivers/pdo/pdo_driver.php
@@ -57,7 +57,7 @@
*
* Validates the DSN string and/or detects the subdriver
*
- * @param array
+ * @param array $params
* @return void
*/
public function __construct($params)
@@ -183,6 +183,7 @@
/**
* Begin Transaction
*
+ * @param bool $test_mode = FALSE
* @return bool
*/
public function trans_begin($test_mode = FALSE)