diff --git a/modules/system/classes/CombineAssets.php b/modules/system/classes/CombineAssets.php
index 23b41f61e..b2c32f9f3 100644
--- a/modules/system/classes/CombineAssets.php
+++ b/modules/system/classes/CombineAssets.php
@@ -524,7 +524,7 @@ class CombineAssets
     /**
      * Registers a callback function that defines bundles.
      * The callback function should register bundles by calling the manager's
-     * `registerBundle` method. Thi instance is passed to the callback
+     * `registerBundle` method. This instance is passed to the callback
      * function as an argument. Usage:
      *
      *     CombineAssets::registerCallback(function($combiner){
@@ -610,9 +610,9 @@ class CombineAssets
     //
 
     /**
-     * Registers an alias to use for a longer file reference.
-     * @param string $alias Alias name. Eg: framework
-     * @param object $filter Collection of files to combine
+     * Registers bundle.
+     * @param string|array $files Files to be registered to bundle
+     * @param string $destination Destination file will be compiled to.
      * @param string $extension Extension name. Eg: css
      * @return self
      */