Fix broken link (#44602)

Author: mccoyp

sdk/cosmos/azure-cosmos/README.md

@@ -1182,7 +1182,7 @@ For more extensive documentation on the Cosmos DB service, see the [Azure Cosmos
 [virtualenv]: https://virtualenv.pypa.io
 [telemetry_sample]: https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/cosmos/azure-cosmos/samples/tracing_open_telemetry.py
 [timeouts_document]: https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/cosmos/azure-cosmos/docs/TimeoutAndRetriesConfig.md
-[cosmos_transactional_batch]: https://learn.microsoft.com/azure/cosmos-db/nosql/transactional-batch
+[cosmos_transactional_batch]: https://learn.microsoft.com/azure/cosmos-db/transactional-batch
 [cosmos_concurrency_sample]: https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/cosmos/azure-cosmos/samples/concurrency_sample.py
 [cosmos_index_sample]: https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/cosmos/azure-cosmos/samples/index_management.py
 [cosmos_index_sample_async]: https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/cosmos/azure-cosmos/samples/index_management_async.py
@@ -1207,4 +1207,4 @@ provided by the bot. You will only need to do this once across all repos using o
 
 This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/).
 For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or
-contact [[email protected]](mailto:[email protected]) with any additional questions or comments.
+contact [[email protected]](mailto:[email protected]) with any additional questions or comments.