More formatting fixes
diff --git a/system/database/drivers/interbase/interbase_driver.php b/system/database/drivers/interbase/interbase_driver.php
index 7258e60..33038ad 100644
--- a/system/database/drivers/interbase/interbase_driver.php
+++ b/system/database/drivers/interbase/interbase_driver.php
@@ -299,8 +299,8 @@
 	/**
 	 * Insert ID
 	 *
-	 * @param  	string $generator_name
-	 * @param   integer $inc_by
+	 * @param	string $generator_name
+	 * @param	integer $inc_by
 	 * @return	integer
 	 */
 	public function insert_id($generator_name, $inc_by=0)