Update exporter/prometheusremotewriteexporter/exporter.go

Co-authored-by: Arthur Silva Sens <[email protected]>

exporter/prometheusremotewriteexporter/exporter.go

@@ -216,7 +216,7 @@ func (prwe *prwExporter) PushMetrics(ctx context.Context, md pmetric.Metrics) er
 			return prwe.pushMetricsV2(ctx, md)
 
 		default:
-			return errors.New("unexpected rw protobuf message")
+			return errors.New("unexpected remote-write protobuf message")
 		}
 
 	}