diff --git a/CHANGELOG b/CHANGELOG
index fc144fc55..2d6d1645d 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -6,6 +6,7 @@
 - update jquery to 3.6.1 (only bootstrap4 theme)
 - introduce authentication service
 - new hook in restapi to add middleware
+- previews for png, txt, pdf in different directories
 
 --------------------------------------------------------------------------------
                      Changes in version 5.1.28