diff --git a/CHANGELOG-2.1.md b/CHANGELOG-2.1.md
index 1b95fc8f89..392796abc7 100644
--- a/CHANGELOG-2.1.md
+++ b/CHANGELOG-2.1.md
@@ -240,6 +240,7 @@ To get the diff between two versions, go to https://github.com/symfony/symfony/c
 
 ### Translation
 
+ * added support for dynamic constraints (by implementing ConstraintProviderInterface)
  * changed the default extension for XLIFF files from .xliff to .xlf
  * added support for gettext
  * added support for more than one fallback locale