diff --git a/CHANGES.rst b/CHANGES.rst
index 44d7d90..978f006 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -30,11 +30,22 @@ Changelog for Isso
Intra emphasis would compile `foo_bar_baz` to foobarbaz. This
behavior is very confusing for users not knowing the Markdown spec in detail.
+- new configuration to require an email when submitting comments, #199. Set
+
+ [guard]
+ require-email = true
+
+ and use `data-isso-require-email="true"` to enable this feature. Disabled by
+ default.
+
- new Bulgarian translation by sahwar, new Swedish translation by