[ci skip] style and phpdoc-related changes (rel #1295)
diff --git a/system/database/drivers/ibase/ibase_driver.php b/system/database/drivers/ibase/ibase_driver.php
index 96d6f65..c3be519 100644
--- a/system/database/drivers/ibase/ibase_driver.php
+++ b/system/database/drivers/ibase/ibase_driver.php
@@ -116,6 +116,7 @@
 	/**
 	 * Begin Transaction
 	 *
+	 * @param	bool	$test_mode = FALSE
 	 * @return	bool
 	 */
 	public function trans_begin($test_mode = FALSE)