diff --git a/CHANGELOG.md b/CHANGELOG.md
index e09290f99..500ec36b1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # 2018-12-23
 
-## More SSL certificate retrieval methods
+## (BC Break) More SSL certificate retrieval methods
 
 The playbook now lets you decide between 3 different SSL certificate retrieval methods:
 - (default) obtaining free SSL certificates from Let's Encrypt