Merge pull request #333 from ChristophKaser/travis

Fixes travis build
diff --git a/src/site/asciidoc/articles.adoc b/src/site/asciidoc/articles.adoc
index 1dd0529..03698fb 100644
--- a/src/site/asciidoc/articles.adoc
+++ b/src/site/asciidoc/articles.adoc
@@ -45,6 +45,8 @@
 
 * https://www.ralphgoers.com/post/getting-the-most-out-of-the-log4j-2-api[Getting the most out of the Log4j 2 API]
 (January 1, 2020)
+* https://www.baeldung.com/log4j2-programmatic-config[Programmatic Configuration with Log4j 2]
+(December 31, 2019)
 * https://www.ralphgoers.com/post/log4j-1-compatibility-in-log4j-2[Log4j 1 Compatiblity in Log4j 2]
 (December 22, 2019)
 * https://www.ralphgoers.com/post/why-was-log4j-2-created[Why was Log4j 2 created]