diff --git a/CHANGELOG.md b/CHANGELOG.md
index 994875b..e09e190 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@
 
 - Remove `splitRegex` in favour of a `split` callback
 - Allow passing in a `setClassName` callback to set the class name on the inserted DOM element
+- Use modern syntax, namely `let`/`const` and default parameters
 
 ## 2.2.5