diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index aef9d71..ceb016c 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -71,6 +71,7 @@
 			<li>Table library will generate an empty cell with a blank string, or NULL value.</li>
 			<li>Added a <kbd>parse_string()</kbd> method to the <a href="libraries/parser.html">Parser Class</a>.</li>
 			<li>Added HTTP headers and Config information to the <a href="general/profiling.html">Profiler</a> output.</li>
+			<li>Documented <kbd>append_output()</kbd> in the <a href="libraries/output.html">Output Class</a>.</li>
 		</ul>
 	</li>
 	<li>Database