diff --git a/HISTORY.txt b/HISTORY.txt
index 07c349a..07e7440 100644
--- a/HISTORY.txt
+++ b/HISTORY.txt
@@ -1,3 +1,8 @@
+(unreleased)
+
+- Fix incorrect indentation with plone_zope_conf_additional
+  [fulv]
+
 1.3.8 2020-02-15
 
 - Make 5.2.1 the default.