Update README.md

Author: KevinMusgrave

README.md

@@ -232,7 +232,7 @@ Thanks to the contributors who made pull requests!
 | [elias-ramzi](https://github.com/elias-ramzi) | [HierarchicalSampler](https://kevinmusgrave.github.io/pytorch-metric-learning/samplers/#hierarchicalsampler) |
 | [fjsj](https://github.com/fjsj) | [SupConLoss](https://kevinmusgrave.github.io/pytorch-metric-learning/losses/#supconloss) |
 | [AlenUbuntu](https://github.com/AlenUbuntu) | [CircleLoss](https://kevinmusgrave.github.io/pytorch-metric-learning/losses/#circleloss) |
-| [interestingzhuo](https://github.com/interestingzhuo) | [**PNPLoss**](https://kevinmusgrave.github.io/pytorch-metric-learning/losses/#pnploss) |
+| [interestingzhuo](https://github.com/interestingzhuo) | [PNPLoss](https://kevinmusgrave.github.io/pytorch-metric-learning/losses/#pnploss) |
 | [wconnell](https://github.com/wconnell) | [Learning a scRNAseq Metric Embedding](https://github.com/KevinMusgrave/pytorch-metric-learning/blob/master/examples/notebooks/scRNAseq_MetricEmbedding.ipynb) |
 | [AlexSchuy](https://github.com/AlexSchuy) | optimized ```utils.loss_and_miner_utils.get_random_triplet_indices``` |
 | [JohnGiorgi](https://github.com/JohnGiorgi) | ```all_gather``` in [utils.distributed](https://kevinmusgrave.github.io/pytorch-metric-learning/distributed) |