diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3941652c9913c92a78ec9077944f58d2bc388cf1..6fd18cee55ad484fa54aa527b997fd757fbedde0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,8 +19,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed ###
 
-* FIX: https://gitlab.com/caosdb/caosdb-crawler/-/issues/31 Identified cache: Hash is the same for Records without IDs
-* FIX: https://gitlab.com/caosdb/caosdb-crawler/-/issues/30
+* [#31](https://gitlab.com/caosdb/caosdb-crawler/-/issues/31) Identified cache:
+  Hash is the same for Records without IDs
+* [#30](https://gitlab.com/caosdb/caosdb-crawler/-/issues/30)
+* [#23](https://gitlab.com/caosdb/caosdb-crawler/-/issues/23) Crawler may
+  overwrite and delete existing data in case of manually added properties
 
 ### Security ###