diff --git a/Changelog.md b/Changelog.md
index 89b9c21..1d13913 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -17,6 +17,7 @@ This change log tracks the releases on our [pilot server](https://recodex.mff.cu
 * New page for managing SIS interaction (for admins)
 * Students who also teach now can see both courses (which they study and which they teach) in SIS mappings
 * Exercise configuration is tested when edited and possible errors are reported
+* Group tree view improved and filtered, so only groups visible to logged user are shown
 * Bug fixes and performance optimizations
 
 ## 16.1.2018