Fixed CHANGELOG

Author: ezimuel

CHANGELOG.md

@@ -1,11 +1,15 @@
-## Release 6.7.1
+## Release 6.7.2
 
 - Fix #846 choosing `GET` and `POST` in endpoints based on body [[acbc76d0]](https://github.com/elastic/elasticsearch-php/commit/acbc76d0)
 - Fix #843 adding `wait_for_active_shards` and `pipeline` in `UpdateByQuery` [[acbc76d0]](https://github.com/elastic/elasticsearch-php/commit/acbc76d0)
 - Fixed missing `ScriptsPainlessExecute` endpoint, since ES 6.3 [[acbc76d0]](https://github.com/elastic/elasticsearch-php/commit/acbc76d0)
 - Fixed missing `RankEval` endpoint, since ES 6.2 [[acbc76d0]](https://github.com/elastic/elasticsearch-php/commit/acbc76d0)
 - Added User-Agent header equal to `elasticsearch-php/6.7.1 (metadata-values)` [[acbc76d0]](https://github.com/elastic/elasticsearch-php/commit/acbc76d0)
 
+## Release 6.7.1
+
+- Added `track_total_hits` in `search` endpoint [0c9ff47](https://github.com/elastic/elasticsearch-php/commit/9f4f0dfa331c4f50d2c88c0068afd3062e6ea353)
+
 ## Release 6.7.0
 
 - Removed requirement of `{type}` part in `indices.put_mapping`, see new API specification [here](https://github.com/elastic/elasticsearch/blob/v6.7.0/rest-api-spec/src/main/resources/rest-api-spec/api/indices.put_mapping.json)