diff --git a/flight/Flight.php b/flight/Flight.php
index 15a3389..9980132 100644
--- a/flight/Flight.php
+++ b/flight/Flight.php
@@ -4,7 +4,6 @@
  *
  * @copyright   Copyright (c) 2011, Mike Cao <mike@mikecao.com>
  * @license     http://www.opensource.org/licenses/mit-license.php
- * @version     0.1
  */
 class Flight {
     /**
diff --git a/flight/Request.php b/flight/Request.php
index bfb6141..ff0109f 100644
--- a/flight/Request.php
+++ b/flight/Request.php
@@ -4,7 +4,6 @@
  *
  * @copyright   Copyright (c) 2011, Mike Cao <mike@mikecao.com>
  * @license     http://www.opensource.org/licenses/mit-license.php
- * @version     0.1
  */
 class Request {
     /**
diff --git a/flight/Response.php b/flight/Response.php
index 157d278..30edd81 100644
--- a/flight/Response.php
+++ b/flight/Response.php
@@ -4,7 +4,6 @@
  *
  * @copyright   Copyright (c) 2011, Mike Cao <mike@mikecao.com>
  * @license     http://www.opensource.org/licenses/mit-license.php
- * @version     0.1
  */
 class Response {
     protected $headers = array();
diff --git a/flight/Router.php b/flight/Router.php
index 2326e18..89d629b 100644
--- a/flight/Router.php
+++ b/flight/Router.php
@@ -4,9 +4,13 @@
  *
  * @copyright   Copyright (c) 2011, Mike Cao <mike@mikecao.com>
  * @license     http://www.opensource.org/licenses/mit-license.php
- * @version     0.1
  */
 class Router {
+    /**
+     * Mapped routes.
+     *
+     * @var array
+     */
     protected $routes = array();
 
     /**