diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 7fa9ac6..ed7f48e 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -57,6 +57,8 @@
 
 <h1>Change Log</h1>
 
+<p>The <img src="images/reactor-bullet.png" width="16" height="16" alt="Reactor Marker" /> indicates items that were contributed to CodeIgniter via CodeIgniter Reactor.</p>
+
 <h2>Version 2.0.0</h2>
 <p>Release Date: not yet released<br />
 Hg Tag: </p>
@@ -77,10 +79,10 @@
 			<li>In-development code is now hosted at <a href="http://bitbucket.org/ellislab/codeigniter/">BitBucket</a>.</li>
 			<li>Removed the deprecated Validation Class.</li>
 			<li>Added CI_ Prefix to all core classes.</li>
-			<li>Package paths can now be set in application/config/autoload.php.</li>
-			<li>Upload library file_name can now be set without an extension, the extension will be taken from the uploaded file instead of the given name.</li>
-			<li>Name can be omitted from $this->dbforge->modify_column()'s 2nd param if you aren't changing the name.</li>
-			<li><kbd>$config['base_url']</kbd> is now empty by default and will guess what it should be.</li>
+			<li class="reactor">Package paths can now be set in application/config/autoload.php.</li>
+			<li class="reactor">Upload library file_name can now be set without an extension, the extension will be taken from the uploaded file instead of the given name.</li>
+			<li class="reactor">Name can be omitted from $this->dbforge->modify_column()'s 2nd param if you aren't changing the name.</li>
+			<li class="reactor"><kbd>$config['base_url']</kbd> is now empty by default and will guess what it should be.</li>
 		</ul>
 	<li>Libraries
 		<ul>
@@ -114,7 +116,7 @@
 			<li>Altered Form_Validation library to allow for method chaining on <kbd>set_rules()</kbd>, <kbd>set_message()</kbd> and <kbd>set_error_delimiters()</kbd> functions.</li>
 			<li>Altered Email Library to allow for method chaining.</li>
 			<li>Added <kbd>request_headers()</kbd>, <kbd>get_request_header()</kbd> and <kbd>is_ajax_request()</kbd> to the input class.</li>
-			<li>Altered <a href="libraries/user_agent.html">User agent library</a> so that <kbd>is_browser()</kbd>, <kbd>is_mobile()</kbd> and <kbd>is_robot()</kbd> can optionally check for a specific browser or mobile device.</li>
+			<li class="reactor">Altered <a href="libraries/user_agent.html">User agent library</a> so that <kbd>is_browser()</kbd>, <kbd>is_mobile()</kbd> and <kbd>is_robot()</kbd> can optionally check for a specific browser or mobile device.</li>
 		</ul>
 	</li>
 	<li>Database
@@ -176,7 +178,7 @@
 
 <h3>Bug fixes for 2.0.0</h3>
 <ul>
-	<li>Fixed a bug where you could not change the User-Agent when sending email.</li>
+	<li class="reactor">Fixed a bug where you could not change the User-Agent when sending email.</li>
 	<li>Fixed a bug where the Output class would send incorrect cached output for controllers implementing their own <dfn>_output()</dfn> method.</li>
 	<li>Fixed a bug where a failed query would not have a saved query execution time causing errors in the Profiler</li>
 	<li>Fixed a bug that was writing log entries when multiple identical helpers and plugins were loaded.</li>