diff --git a/CHANGELOG.md b/CHANGELOG.md
index c1e728eaf8b3414d8c0086cf5e15085cb6da60f4..da21e3262a6595f2c91d0f1799bab7dd24f7734f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,9 @@ that implement an empty cache (i.e. nothing is cached for the flux variables).
 
 ### Immediate interface changes not allowing/requiring a deprecation period:
 
+- __Experimental features__: All headers with experimental features have been moved into the folder `dumux/experimental`.
+  Correspondingly, all unit tests for those features have been moved to `test/experimental`.
+
 ### Deprecated properties/classes/functions/files, to be removed after 3.6:
 
 ### New experimental features (possibly subject to backwards-incompatible changes in the future)