Minor fixes
diff --git a/system/core/Exceptions.php b/system/core/Exceptions.php
index 5bcb7c1..cb4bc3c 100644
--- a/system/core/Exceptions.php
+++ b/system/core/Exceptions.php
@@ -45,7 +45,7 @@
 	public $ob_level;
 
 	/**
-	 * List if available error levels
+	 * List of available error levels
 	 *
 	 * @var	array
 	 */