added extra quotes

Author: daniel-sanche

gapic/templates/%namespace/%name_%version/%sub/services/%service/transports/README.rst.j2

@@ -7,5 +7,5 @@ _______________________________
 - public child ``{{ service.name }}GrpcTransport`` for sync gRPC transport (defined in ``grpc.py``).
 - public child ``{{ service.name }}GrpcAsyncIOTransport`` for async gRPC transport (defined in ``grpc_asyncio.py``).
 - private child ``_Base{{ service.name }}RestTransport`` for base REST transport with inner classes ``_BaseMETHOD`` (defined in ``rest_base.py``).
-- public child ``{{ service.name }}RestTransport`` for sync REST transport with inner classes `METHOD` derived from the parent's corresponding ``_BaseMETHOD`` classes (defined in ``rest.py``).
+- public child ``{{ service.name }}RestTransport`` for sync REST transport with inner classes ``METHOD`` derived from the parent's corresponding ``_BaseMETHOD`` classes (defined in ``rest.py``).
 {# Since the service mixins have a similar structure, we factor out shared code into ``_shared_macros.j2`` to avoid duplication. #}