change log note for Drivers
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 4f8c86f..b196acf 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -67,6 +67,7 @@
<li>PHP 4 support is deprecated. Features new to 2.0.0 may not be support PHP 4, and all legacy features will no longer support PHP 4 as of 2.1.0.</li>
<li>Scaffolding, having been deprecated for a number of versions, has been removed.</li>
<li>Plugins have been removed, in favor of Helpers. The CAPTCHA plugin has been converted to a Helper and <a href="./helpers/captcha_helper.html">documented</a>. The JavaScript calendar plugin was removed due to the ready availability of great JavaScript calendars, particularly with jQuery.</li>
+ <li>Added new special Library type: <a href="./general/drivers.html">Drivers</a>.</li>
<li>In-development code is now hosted at <a href="http://bitbucket.org/ellislab/codeigniter/">BitBucket</a>.</li>
</ul>
<li>Libraries