diff --git a/expfmt/openmetrics_create_test.go b/expfmt/openmetrics_create_test.go
index 9449e792..af3eea15 100644
--- a/expfmt/openmetrics_create_test.go
+++ b/expfmt/openmetrics_create_test.go
@@ -43,7 +43,7 @@ func TestCreateOpenMetrics(t *testing.T) {
 				Help: proto.String("two-line\n doc  str\\ing"),
 				Type: dto.MetricType_COUNTER.Enum(),
 				Metric: []*dto.Metric{
-					{ 
+					{
 						Label: []*dto.LabelPair{
 							{
 								Name:  proto.String("labelname"),