diff --git a/system/core/Input.php b/system/core/Input.php
index 72425c1..fae3b6c 100644
--- a/system/core/Input.php
+++ b/system/core/Input.php
@@ -702,7 +702,7 @@
 	 * only named with alpha-numeric text and a few other items.
 	 *
 	 * @param	string	$str	Input string
-	 * @param	string	$fatal	Whether to terminate script exection
+	 * @param	bool	$fatal	Whether to terminate script exection
 	 *				or to return FALSE if an invalid
 	 *				key is encountered
 	 * @return	string|bool