Update CHANGELOG.md (Azure#20569)

Author: Yalin Li

sdk/containerregistry/azure-containerregistry/CHANGELOG.md

@@ -1,20 +1,17 @@
 # Release History
 
-## 1.0.0b6 (Unreleased)
-
-### Features Added
+## 1.0.0b6 (2021-09-08)
 
 ### Breaking Changes
 
-### Bugs Fixed
-
-### Other Changes
+- Removed `credential_scopes` keyword.
+- Added `audience` keyword, which allows customers to select from available audiences or provide their own audience string. This keyword is required when creating a client.
 
 ## 1.0.0b5 (2021-08-11)
 
 ### Bugs Fixed
 
-- Close session of `ChallengePolicyClient` in context manager    #20000
+- Closed session of `ChallengePolicyClient` in context manager    #20000
 
 ### Other Changes
 
@@ -24,24 +21,24 @@
 
 ### Bugs Fixed
 
-- Fixes a bug where `credential_scopes` keyword on `ContainerRegistryClient` was not passed through and the client could not authenticate with foreign clouds.
+- Fixeed a bug where `credential_scopes` keyword on `ContainerRegistryClient` was not passed through and the client could not authenticate with foreign clouds.
 
 ## 1.0.0b3 (2021-06-08)
 
-- Removes `DeleteRepositoryResult`. `ContainerRegistryClient.delete_repository` now returns `None`
+- Removed `DeleteRepositoryResult`. `ContainerRegistryClient.delete_repository` now returns `None`
 - Removed `writeable_properties` objects, placing `can_delete/read/write/list` properties on the immediate `Repository/Tag/ArtifactManifestProperties` objects
 - Removed `ContainerRepository` and `RegistryArtifact` classes. The methods for acting on a repository and a registry artifact are now contained in the `ContainerRegistryClient` object.
-- Parses refresh token expiration time from returned JWT.
+- Parsed refresh token expiration time from returned JWT.
 - The `delete_repository` and `get_repository` methods parameters have been renamed from `repository_name` to `repository`.
 
 ## 1.0.0b2 (2021-05-11)
 
-- Rename `DeletedRepositoryResult` to `DeleteRepositoryResult`
-- Rename `DeletedRepositoryResult.deleted_registry_artifact_digests` to `deleted_manifests`
-- Rename `TagProperties` to `ArtifactTagProperties`
-- Rename `ContentPermissions` to `ContentProperties`
-- Rename `content_permissions` attributes on `TagProperties`, `RepositoryProperties`, and `RegistryArtifactProperties` to `writeable_properties`.
-- Adds anonymous access capabilities to client by passing in `None` to credential.
+- Renamed `DeletedRepositoryResult` to `DeleteRepositoryResult`
+- Renamed `DeletedRepositoryResult.deleted_registry_artifact_digests` to `deleted_manifests`
+- Renamed `TagProperties` to `ArtifactTagProperties`
+- Renamed `ContentPermissions` to `ContentProperties`
+- Renamed `content_permissions` attributes on `TagProperties`, `RepositoryProperties`, and `RegistryArtifactProperties` to `writeable_properties`.
+- Added anonymous access capabilities to client by passing in `None` to credential.
 
 ## 1.0.0b1 (2021-04-06)