diff --git a/CHANGELOG.md b/CHANGELOG.md
index 55311ed1a..04f16792a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+22.05.2015
+
+* Add `RequestHeader set SSL_CLIENT_CERT "%{SSL_CLIENT_CERT}s` to apache config (see README for details)
+
 20.05.2015
 
 * Added documentation how to configure linux firewall about rate limits, scirpts and more info at doc/debian_build_doc.md