diff --git a/cmd/collector/app/thrift_span_handler.go b/cmd/collector/app/thrift_span_handler.go
index a4b486f6077..1d44359d9e3 100644
--- a/cmd/collector/app/thrift_span_handler.go
+++ b/cmd/collector/app/thrift_span_handler.go
@@ -34,6 +34,7 @@ const (
 	UnknownFormatType = "unknown"
 )
 
+// SubmitBatchOptions are passed to Submit methods of the handlers.
 type SubmitBatchOptions struct {
 	InboundTransport string
 }