Update CHANGELOG.md

CHANGELOG.md

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 ## v1.2.0
 
+### Packaging
+
 * Added support for building and running on any Linux distribution supported by Swift. ([#488](https://github.com/mapbox/mapbox-directions-swift/pull/488))
 * Added the `MapboxDirectionsCLI` command line tool that round-trips Mapbox Directions API responses between JSON format and Swift model objects. ([#469](https://github.com/mapbox/mapbox-directions-swift/pull/469))
-* The `CongestionLevel` enumeration now conforms to the `CaseIterable` protocol. ([#500](https://github.com/mapbox/mapbox-directions-swift/pull/500))
-* Refined encoding/decoding logic for `AdministrativeRegions` by `Leg` and `Intersection` ([#485](https://github.com/mapbox/mapbox-directions-swift/pull/485)). Added few properties for convenience access:
-    * `Intersection.regionCode` - A 2-letter region code to identify corresponding country that this intersection lies in.
-    * `RouteLeg.regionCode(atStepIndex:, intersectionIndex:)` - Returns the ISO 3166-1 alpha-2 region code for the administrative region through which the given intersection passes.
-* Added `RouteStep.segmentIndicesByIntersection` for navigating `Intersection`s segments along the step;  ([#490](https://github.com/mapbox/mapbox-directions-swift/pull/490))
-* Added the Intersection.outletMapboxStreetsRoadClass property that indicates a more detailed road classification than the existing Intersection.outletRoadClasses property. (#507).
+
+### Other changes
+
+* Added the `RouteStep.segmentIndicesByIntersection` property for associating `Intersection`s with portions of the step’s shape. ([#490](https://github.com/mapbox/mapbox-directions-swift/pull/490))
+* Added the `Intersection.outletMapboxStreetsRoadClass` property that indicates a more detailed road classification than the existing `Intersection.outletRoadClasses` property. ([#507](https://github.com/mapbox/mapbox-directions-swift/pull/507]))
 * Added the `RouteLeg.incidents` property that indicates known traffic incidents, toll collection points, rest areas, and border crossings along the route leg. ([#466](https://github.com/mapbox/mapbox-directions-swift/pull/466), [#506](https://github.com/mapbox/mapbox-directions-swift/pull/506))
-* Added the `RouteLeg.administrativeRegions` property that indicates the administrative regions traversed by the route leg. ([#466](https://github.com/mapbox/mapbox-directions-swift/pull/466), [#506](https://github.com/mapbox/mapbox-directions-swift/pull/506))
-* Added the `Intersection.tunnelName`, `Intersection.tollCollection, `Intersection.restStop`, and `Intersection.isUrban` properties. ([#466](https://github.com/mapbox/mapbox-directions-swift/pull/466), [#506](https://github.com/mapbox/mapbox-directions-swift/pull/506))
+* Added the `RouteLeg.regionCode(atStepIndex:intersectionIndex:)` method and `Intersection.regionCode` property to get the administrative region where an intersection is located, as well as a `RouteLeg.administrativeRegions` property that indicates the administrative regions traversed by the route leg. ([#466](https://github.com/mapbox/mapbox-directions-swift/pull/466), [#485](https://github.com/mapbox/mapbox-directions-swift/pull/485), [#506](https://github.com/mapbox/mapbox-directions-swift/pull/506))
+* Added the `Intersection.tunnelName`, `Intersection.tollCollection`, `Intersection.restStop`, and `Intersection.isUrban` properties. ([#466](https://github.com/mapbox/mapbox-directions-swift/pull/466), [#506](https://github.com/mapbox/mapbox-directions-swift/pull/506))
+* The `CongestionLevel` enumeration now conforms to the `CaseIterable` protocol. ([#500](https://github.com/mapbox/mapbox-directions-swift/pull/500))
 
 ## v1.1.0