Update releaseNotes/AzureAppConfigurationProviderPython.md

Co-authored-by: Jimmy Campbell <[email protected]>

Author: mrm9084

releaseNotes/AzureAppConfigurationProviderPython.md

@@ -9,7 +9,7 @@
 * Added support for Azure App Configuration Snapshots, `SettingSelector` now has a `snapshot_name` parameter
 * Added support for periodic refresh of key-vault references. Adds `secret_refresh_interval` to the `AzureAppConfigurationProvider` `load` method. This allows the provider to refresh Key Vault secrets at a specified interval. It is set to 60 seconds by default and can only be set if using Key Vault references.
 * Added support for async library to allow both sync and async `on_refresh_success` callbacks.
-* Added support for Configuration Setting Mapping, new `configuration_mapper` parameter to the `load` method, allows for a callback to be added to modify configurations.
+* Added support for configuration setting mapping. A new `configuration_mapper` parameter was added to the `load` method. This allows for a callback to be added to modify settings retrieved from the server before they are made available for consumption in the application.
 
 ### Bug Fixes