Added some clarification

include/grpc/grpc.h

@@ -590,9 +590,11 @@ grpc_call_error grpc_call_cancel_with_status(grpc_call *call,
 void grpc_call_destroy(grpc_call *call);
 
 /** Request notification of a new call.
-    Once a call is received in \a cq_bound_to_call, a notification tagged with
-    \a tag_new is added to \a cq_for_notification. \a call, \a details and \a
-    request_metadata are updated with the appropriate call information.
+    Once a call is received, a notification tagged with \a tag_new is added to 
+    \a cq_for_notification. \a call, \a details and \a request_metadata are 
+    updated with the appropriate call information. \a cq_bound_to_call is bound
+    to \a call, and batch operation notifications for that call will be posted
+    to \a cq_bound_to_call.
     Note that \a cq_for_notification must have been registered to the server via
     \a grpc_server_register_completion_queue. */
 grpc_call_error grpc_server_request_call(