diff --git a/pkg/api/bytes.go b/pkg/api/bytes.go
index 5eabf41458..735386aa16 100644
--- a/pkg/api/bytes.go
+++ b/pkg/api/bytes.go
@@ -111,7 +111,7 @@ func (s *Service) bytesUploadHandler(w http.ResponseWriter, r *http.Request) {
 		logger.Error(nil, "split write all failed")
 		switch {
 		case errors.Is(err, postage.ErrBucketFull):
-			jsonhttp.PaymentRequired(ow, "batch is overissued")
+			jsonhttp.PaymentRequired(ow, "batch is over issued")
 		default:
 			jsonhttp.InternalServerError(ow, "split write all failed")
 		}