diff --git a/doc/service_config.md b/doc/service_config.md
index 2dabb83a37f76a3cd41f134159d85327bd637385..ecc23817d121dec33b06e37e937874da29f37210 100644
--- a/doc/service_config.md
+++ b/doc/service_config.md
@@ -12,105 +12,105 @@ The service config is a JSON string of the following form:
 
 ```
 {
-  # Load balancing policy name.
-  # Supported values are 'round_robin' and 'grpclb'.
-  # Optional; if unset, the default behavior is pick the first available
-  # backend.
-  # Note that if the resolver returns only balancer addresses and no
-  # backend addresses, gRPC will always use the 'grpclb' policy,
-  # regardless of what this field is set to.
+  // Load balancing policy name.
+  // Supported values are 'round_robin' and 'grpclb'.
+  // Optional; if unset, the default behavior is pick the first available
+  // backend.
+  // Note that if the resolver returns only balancer addresses and no
+  // backend addresses, gRPC will always use the 'grpclb' policy,
+  // regardless of what this field is set to.
   'loadBalancingPolicy': string,
 
-  # Per-method configuration.  Optional.
+  // Per-method configuration.  Optional.
   'methodConfig': [
     {
-      # The names of the methods to which this method config applies. There
-      # must be at least one name. Each name entry must be unique across the
-      # entire service config. If the 'method' field is empty, then this
-      # method config specifies the defaults for all methods for the specified
-      # service.
-      #
-      # For example, let's say that the service config contains the following
-      # method config entries:
-      #
-      # 'methodConfig': [
-      #   { 'name': [ { 'service': 'MyService' } ] ... },
-      #   { 'name': [ { 'service': 'MyService', 'method': 'Foo' } ] ... }
-      # ]
-      #
-      # For a request for MyService/Foo, we will use the second entry, because
-      # it exactly matches the service and method name.
-      # For a request for MyService/Bar, we will use the first entry, because
-      # it provides the default for all methods of MyService.
+      // The names of the methods to which this method config applies. There
+      // must be at least one name. Each name entry must be unique across the
+      // entire service config. If the 'method' field is empty, then this
+      // method config specifies the defaults for all methods for the specified
+      // service.
+      //
+      // For example, let's say that the service config contains the following
+      // method config entries:
+      //
+      // 'methodConfig': [
+      //   { 'name': [ { 'service': 'MyService' } ] ... },
+      //   { 'name': [ { 'service': 'MyService', 'method': 'Foo' } ] ... }
+      // ]
+      //
+      // For a request for MyService/Foo, we will use the second entry, because
+      // it exactly matches the service and method name.
+      // For a request for MyService/Bar, we will use the first entry, because
+      // it provides the default for all methods of MyService.
       'name': [
         {
-          # RPC service name.  Required.
-          # If using gRPC with protobuf as the IDL, then this will be of
-          # the form "pkg.service_name", where "pkg" is the package name
-          # defined in the proto file.
+          // RPC service name.  Required.
+          // If using gRPC with protobuf as the IDL, then this will be of
+          // the form "pkg.service_name", where "pkg" is the package name
+          // defined in the proto file.
           'service': string,
 
-          # RPC method name.  Optional (see above).
+          // RPC method name.  Optional (see above).
           'method': string,
         }
       ],
 
-      # Whether RPCs sent to this method should wait until the connection is
-      # ready by default. If false, the RPC will abort immediately if there
-      # is a transient failure connecting to the server. Otherwise, gRPC will
-      # attempt to connect until the deadline is exceeded.
-      #
-      # The value specified via the gRPC client API will override the value
-      # set here. However, note that setting the value in the client API will
-      # also affect transient errors encountered during name resolution,
-      # which cannot be caught by the value here, since the service config
-      # is obtained by the gRPC client via name resolution.
+      // Whether RPCs sent to this method should wait until the connection is
+      // ready by default. If false, the RPC will abort immediately if there
+      // is a transient failure connecting to the server. Otherwise, gRPC will
+      // attempt to connect until the deadline is exceeded.
+      //
+      // The value specified via the gRPC client API will override the value
+      // set here. However, note that setting the value in the client API will
+      // also affect transient errors encountered during name resolution,
+      // which cannot be caught by the value here, since the service config
+      // is obtained by the gRPC client via name resolution.
       'waitForReady': bool,
 
-      # The default timeout in seconds for RPCs sent to this method. This can
-      # be overridden in code. If no reply is received in the specified amount
-      # of time, the request is aborted and a deadline-exceeded error status
-      # is returned to the caller.
-      #
-      # The actual deadline used will be the minimum of the value specified
-      # here and the value set by the application via the gRPC client API.
-      # If either one is not set, then the other will be used.
-      # If neither is set, then the request has no deadline.
-      #
-      # The format of the value is that of the 'Duration' type defined here:
-      # https://developers.google.com/protocol-buffers/docs/proto3#json
+      // The default timeout in seconds for RPCs sent to this method. This can
+      // be overridden in code. If no reply is received in the specified amount
+      // of time, the request is aborted and a deadline-exceeded error status
+      // is returned to the caller.
+      //
+      // The actual deadline used will be the minimum of the value specified
+      // here and the value set by the application via the gRPC client API.
+      // If either one is not set, then the other will be used.
+      // If neither is set, then the request has no deadline.
+      //
+      // The format of the value is that of the 'Duration' type defined here:
+      // https://developers.google.com/protocol-buffers/docs/proto3#json
       'timeout': string,
 
-      # The maximum allowed payload size for an individual request or object
-      # in a stream (client->server) in bytes. The size which is measured is
-      # the serialized, uncompressed payload in bytes. This applies both
-      # to streaming and non-streaming requests.
-      #
-      # The actual value used is the minimum of the value specified here and
-      # the value set by the application via the gRPC client API.
-      # If either one is not set, then the other will be used.
-      # If neither is set, then the built-in default is used.
-      #
-      # If a client attempts to send an object larger than this value, it
-      # will not be sent and the client will see an error.
-      # Note that 0 is a valid value, meaning that the request message must
-      # be empty.
+      // The maximum allowed payload size for an individual request or object
+      // in a stream (client->server) in bytes. The size which is measured is
+      // the serialized, uncompressed payload in bytes. This applies both
+      // to streaming and non-streaming requests.
+      //
+      // The actual value used is the minimum of the value specified here and
+      // the value set by the application via the gRPC client API.
+      // If either one is not set, then the other will be used.
+      // If neither is set, then the built-in default is used.
+      //
+      // If a client attempts to send an object larger than this value, it
+      // will not be sent and the client will see an error.
+      // Note that 0 is a valid value, meaning that the request message must
+      // be empty.
       'maxRequestMessageBytes': number,
 
-      # The maximum allowed payload size for an individual response or object
-      # in a stream (server->client) in bytes. The size which is measured is
-      # the serialized, uncompressed payload in bytes. This applies both
-      # to streaming and non-streaming requests.
-      #
-      # The actual value used is the minimum of the value specified here and
-      # the value set by the application via the gRPC client API.
-      # If either one is not set, then the other will be used.
-      # If neither is set, then the built-in default is used.
-      #
-      # If a server attempts to send an object larger than this value, it
-      # will not be sent, and the client will see an error.
-      # Note that 0 is a valid value, meaning that the response message must
-      # be empty.
+      // The maximum allowed payload size for an individual response or object
+      // in a stream (server->client) in bytes. The size which is measured is
+      // the serialized, uncompressed payload in bytes. This applies both
+      // to streaming and non-streaming requests.
+      //
+      // The actual value used is the minimum of the value specified here and
+      // the value set by the application via the gRPC client API.
+      // If either one is not set, then the other will be used.
+      // If neither is set, then the built-in default is used.
+      //
+      // If a server attempts to send an object larger than this value, it
+      // will not be sent, and the client will see an error.
+      // Note that 0 is a valid value, meaning that the response message must
+      // be empty.
       'maxResponseMessageBytes': number
     }
   ]