Added CI cheatsheets
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 61a0280..5283605 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -95,6 +95,7 @@
<li>Modified <a href="general/errors.html">show_404()</a> to send 404 status code, removing non-CGI compatible header() statement from error_404.php template.</li>
<li>Added set_status_header() to the <a href="general/common_functions.html">Common functions<a> to allow use when the Output class is unavailable.</li>
<li>Added is_php() to <a href="general/common_functions.html">Common functions</a> to facilitate PHP version comparisons.</p>
+ <li>Added 2 CodeIgniter "cheatsheets" (thanks to DesignFellow.com for this contribution).</li>
</ul>
</li>
</ul>