[ci skip] style and phpdoc-related changes (rel #1295)
diff --git a/system/database/drivers/sqlite3/sqlite3_driver.php b/system/database/drivers/sqlite3/sqlite3_driver.php
index d03be15..22c72b9 100644
--- a/system/database/drivers/sqlite3/sqlite3_driver.php
+++ b/system/database/drivers/sqlite3/sqlite3_driver.php
@@ -103,13 +103,12 @@
 	/**
 	 * Execute the query
 	 *
-	 * @param	string	an SQL query
+	 * @todo	Implement use of SQLite3::querySingle(), if needed
+	 * @param	string	$sql
 	 * @return	mixed	SQLite3Result object or bool
 	 */
 	protected function _execute($sql)
 	{
-		// TODO: Implement use of SQLite3::querySingle(), if needed
-
 		return $this->is_write_type($sql)
 			? $this->conn_id->exec($sql)
 			: $this->conn_id->query($sql);
@@ -120,6 +119,7 @@
 	/**
 	 * Begin Transaction
 	 *
+	 * @param	bool	$test_mode = FALSE
 	 * @return	bool
 	 */
 	public function trans_begin($test_mode = FALSE)