Remove a space :)
diff --git a/system/helpers/date_helper.php b/system/helpers/date_helper.php
index 4a0791a..7bec807 100644
--- a/system/helpers/date_helper.php
+++ b/system/helpers/date_helper.php
@@ -745,7 +745,7 @@
 			 *	 it doesn't always handle properly timezones, when timestamps are passed
 			 *	 directly to its constructor. Neither of the following gave proper results:
 			 *
-			 *	 	new DateTime('<timestamp>')
+			 *		new DateTime('<timestamp>')
 			 *		new DateTime('<timestamp>', '<timezone>')
 			 *
 			 *	 --- available in PHP 5.3: