fix format

Signed-off-by: Yanjun Xiang <yanjunxiang@google.com>

api/envoy/service/ext_proc/v3/external_processor.proto

@@ -59,27 +59,26 @@ service ExternalProcessor {
 // This message specifies the filter protocol configurations which will be sent to the ext_proc
 // server in a :ref:`ProcessingRequest <envoy_v3_api_msg_service.ext_proc.v3.ProcessingRequest>`.
 // If the server does not support these protocol configurations, it may choose to close the gRPC stream.
-// If the server supports these protocol configurations, it should respond based on the API specification.
+// If the server supports these protocol configurations, it should respond based on the API specifications.
 message ProtocolConfiguration {
   // Specify whether the filter
   // :ref:`request_body_mode <envoy_v3_api_field_extensions.filters.http.ext_proc.v3.ProcessingMode.request_body_mode>`
-  // is set to FULL_DUPLEX_STREAMED. A "true" means Envoy is operating in the FULL_DUPLEX_STREAMED
+  // is set to ``FULL_DUPLEX_STREAMED``. Setting ``true`` means Envoy is operating in the ``FULL_DUPLEX_STREAMED``
   // body mode in the request direction. The server needs to operate in that mode as well.
-  // A "false" means Envoy is expecting a response for each request it sends.
+  // Setting ``false`` means Envoy is expecting a response for each request it sends.
   bool is_request_body_mode_full_duplex = 1;
 
   // Specify whether the filter
   // :ref:`response_body_mode <envoy_v3_api_field_extensions.filters.http.ext_proc.v3.ProcessingMode.response_body_mode>`
-  // is set to FULL_DUPLEX_STREAMED. A "true" means Envoy is operating in the FULL_DUPLEX_STREAMED
+  // is set to ``FULL_DUPLEX_STREAMED``. Setting ``true`` means Envoy is operating in the ``FULL_DUPLEX_STREAMED``
   // body mode in the response direction. The server needs to operate in that mode as well.
-  // A "false" means Envoy is expecting a response for each request it sends.
-
+  // Setting ``false`` means Envoy is expecting a response for each request it sends.
   bool is_response_body_mode_full_duplex = 2;
 
   // Specify whether the filter :ref:`send_body_without_waiting_for_header_response
   // <envoy_v3_api_field_extensions.filters.http.ext_proc.v3.ExternalProcessor.send_body_without_waiting_for_header_response>`
-  // flag is set. If Envoy is waiting for a header response for the server, a "true" means Envoy will send body to the server
-  // as they arrive. A "false" means Envoy will buffer the arrived data and not send it to the server.
+  // flag is set. If Envoy is waiting for a header response for the server, Setting ``true`` means Envoy will send body to
+  // the server as they arrive. Setting ``false`` means Envoy will buffer the arrived data and not send it to the server.
   bool send_body_without_waiting_for_header_response = 3;
 }