Add changelog entry for opentripplanner#6680 [ci skip]

Author: OTP Changelog Bot

doc/user/Changelog.md

@@ -40,6 +40,7 @@ based on merged pull requests. Search GitHub issues and pull requests for smalle
 - Allow location groups without names [#6674](https://github.com/opentripplanner/OpenTripPlanner/pull/6674)
 - Fix duplicate stop times when stops are skipped in multiple trips of pattern [#6665](https://github.com/opentripplanner/OpenTripPlanner/pull/6665)
 - Transit filters for GTFS API's `planConnection` [#6668](https://github.com/opentripplanner/OpenTripPlanner/pull/6668)
+- Add a dictionary document for OTP's terminology [#6680](https://github.com/opentripplanner/OpenTripPlanner/pull/6680)
 [](AUTOMATIC_CHANGELOG_PLACEHOLDER_DO_NOT_REMOVE)
 
 ## 2.7.0 (2025-03-12)