Add blog post about log4j2 appenders
diff --git a/documentation.html b/documentation.html
index 0d40ad9..a6dd88c 100644
--- a/documentation.html
+++ b/documentation.html
@@ -340,6 +340,9 @@
<div class="col">
<h2 class="pb-3 mb-4 font-italic border-bottom"><i class="fas fa-glasses"></i> Articles</h2>
<div>
+ <a href="http://blog.nanthrax.net/?p=1023">Apache Karaf and log4j2 appenders</a>
+ </div><!-- /.blog-post -->
+ <div>
<a href="http://blog.nanthrax.net/?p=1019">New collectors in Apache Karaf Decanter 2.4.0</a>
</div><!-- /.blog-post -->
<div>