Issue #485/#501 changelog update

CHANGELOG.md

@@ -15,8 +15,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add `collection_property()` helper to easily build collection metadata property filters for `Connection.load_collection()`
   ([#331](https://github.com/Open-EO/openeo-python-client/pull/331))
 - Add `DataCube.apply_polygon()` (standardized version of experimental `chunk_polygon`) ([#424](https://github.com/Open-EO/openeo-python-client/issues/424))
-- Awesome Spectral Indices support: allow explicitly specifying the satellite platform for band name mapping
-  (e.g. "Sentinel2" or "LANDSAT8") if cube metadata lacks info ([#485](https://github.com/Open-EO/openeo-python-client/issues/485), [#501](https://github.com/Open-EO/openeo-python-client/issues/501))
+- Various improvements to band mapping with the Awesome Spectral Indices feature.
+  Allow explicitly specifying the satellite platform for band name mapping (e.g. "Sentinel2" or "LANDSAT8") if cube metadata lacks info.
+  Follow the official band mapping from Awesome Spectral Indices better.
+  Allow manually specifying the desired band mapping.
+  ([#485](https://github.com/Open-EO/openeo-python-client/issues/485), [#501](https://github.com/Open-EO/openeo-python-client/issues/501))
 
 ### Changed