diff --git a/lib/class.js b/lib/class.js
index 2abc483..fbfd750 100644
--- a/lib/class.js
+++ b/lib/class.js
@@ -212,7 +212,7 @@ function attach_extend( func )
     /**
      * Shorthand for extending classes
      *
-     * This method can be invoked on the object, rater than having to call
+     * This method can be invoked on the object, rather than having to call
      * Class.extend( this ).
      *
      * @param  {Object}  props  properties to add to extended class