Apply suggestions from code review

Co-authored-by: Sebastian Bernauer <sebastian.bernauer@stackable.de>

Author: NickLarsenNZ

CHANGELOG.md

@@ -23,7 +23,7 @@ All notable changes to this project will be documented in this file.
   `check-permissions-ownership.sh` provided in stackable-base image ([#1041]).
 - nifi: check for correct permissions and ownerships in /stackable folder via
   `check-permissions-ownership.sh` provided in stackable-base image ([#1027]).
-- nifi: Add [nifi-iceberg-bundle] for NiFi `2.2.0` ([#1060], [#1106]).
+- nifi: Add [nifi-iceberg-bundle] for NiFi `2.4.0` ([#1060], [#1106]).
 - nifi: Add `2.4.0` ([#1114]).
 - opa: check for correct permissions and ownerships in /stackable folder via
   `check-permissions-ownership.sh` provided in stackable-base image ([#1038]).