updated changelog

Author: Lucy-SD

CHANGELOG.md

@@ -5,8 +5,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [UNRELEASED] 2026-02-19
 ### Added
-- PointsHistoryDto: New DTO to encapsulate the response structure, including total points and the collection of user activities.
-- PointEntryDto: New DTO for individual score entries, including points and formatted date strings.
+- PointsHistoryResponseDto: New DTO to encapsulate the response structure, including total points and the collection of user activities.
+- PointHistoryEntryDto: New DTO for individual score entries, including points and formatted date strings.
 - GamificationMapper: Implementation of a dedicated mapper component to transform UserScoreDocument entities into PointEntryDto with null-safety logic.
 - PointsService: Core interface definition for gamification point-related business operations.
 - PointsServiceImpl: Implementation of the points history logic, featuring reactive stream processing and score aggregation.