diff --git a/CHANGELOG.md b/CHANGELOG.md
index 67ba4284..ec6b532c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ The change log describes what is "Added", "Removed", "Changed" or "Fixed" betwee
 - Extended WebProfilerToolbar item to list request with details.
 - You can now copy any request as cURL command in the profiler.
 - Support for autowring in Symfony 3.3
+- Improved configuration validation
 
 ### Changed