Fix pip link in azure-keyvault-secrets readme
@@ -415,6 +415,7 @@ additional questions or comments.
[recover_purge_sample]: https://github.com/Azure/azure-sdk-for-python/blob/master/sdk/keyvault/azure-keyvault-secrets/samples/recover_purge_operations.py
[recover_purge_async_sample]: https://github.com/Azure/azure-sdk-for-python/blob/master/sdk/keyvault/azure-keyvault-secrets/samples/recover_purge_operations_async.py
[keyvault_docs]: https://docs.microsoft.com/en-us/azure/key-vault/
+[pip]: https://pypi.org/project/pip/
[pypi_package_secrets]: https://pypi.org/project/azure-keyvault-secrets/
[reference_docs]: https://aka.ms/azsdk-python-keyvault-secrets-ref
[secret_client_src]: https://github.com/Azure/azure-sdk-for-python/tree/master/sdk/keyvault/azure-keyvault-secrets/azure/keyvault/secrets
