diff --git a/docs/changelog.rst b/docs/changelog.rst
index 25df6c2675..99dc36da1e 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -21,6 +21,7 @@ CHANGELOG
 - Filter by begin date by default on touristic events in APIv2 (#3597)
 - Add model LinePictogram for each line (#3327)
 - Create Organizer model for touristic events, configurable in admin site (#3625)
+- Improve CSS of the altitude profile of altimetry (#3657)
 
 **Documentation**