Update CONTENTS.md

CONTENTS.md

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 | [**CircleLoss**](https://kevinmusgrave.github.io/pytorch-metric-learning/losses/#circleloss) | [Circle Loss: A Unified Perspective of Pair Similarity Optimization](https://arxiv.org/pdf/2002.10857.pdf)
 | [**ContrastiveLoss**](https://kevinmusgrave.github.io/pytorch-metric-learning/losses/#contrastiveloss) | [Dimensionality Reduction by Learning an Invariant Mapping](http://yann.lecun.com/exdb/publis/pdf/hadsell-chopra-lecun-06.pdf)
 | [**CosFaceLoss**](https://kevinmusgrave.github.io/pytorch-metric-learning/losses/#cosfaceloss) | - [CosFace: Large Margin Cosine Loss for Deep Face Recognition](https://arxiv.org/pdf/1801.09414.pdf) <br/> - [Additive Margin Softmax for Face Verification](https://arxiv.org/pdf/1801.05599.pdf)
+| [**DynamicSoftMarginLoss**](https://kevinmusgrave.github.io/pytorch-metric-learning/losses/#dynamicsoftmarginloss) | [Learning Local Descriptors With a CDF-Based Dynamic Soft Margin](https://openaccess.thecvf.com/content_ICCV_2019/papers/Zhang_Learning_Local_Descriptors_With_a_CDF-Based_Dynamic_Soft_Margin_ICCV_2019_paper.pdf)
 | [**FastAPLoss**](https://kevinmusgrave.github.io/pytorch-metric-learning/losses/#fastaploss) | [Deep Metric Learning to Rank](http://openaccess.thecvf.com/content_CVPR_2019/papers/Cakir_Deep_Metric_Learning_to_Rank_CVPR_2019_paper.pdf)
 | [**GeneralizedLiftedStructureLoss**](https://kevinmusgrave.github.io/pytorch-metric-learning/losses/#generalizedliftedstructureloss) | [In Defense of the Triplet Loss for Person Re-Identification](https://arxiv.org/pdf/1703.07737.pdf)
 | [**HistogramLoss**](https://kevinmusgrave.github.io/pytorch-metric-learning/losses/#histogramloss) | [Learning Deep Embeddings with Histogram Loss](https://arxiv.org/pdf/1611.00822.pdf)
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 | [**PNPLoss**](https://kevinmusgrave.github.io/pytorch-metric-learning/losses/#pnploss) | [Rethinking the Optimization of Average Precision: Only Penalizing Negative Instances before Positive Ones is Enough](https://arxiv.org/pdf/2102.04640.pdf)
 | [**ProxyAnchorLoss**](https://kevinmusgrave.github.io/pytorch-metric-learning/losses/#proxyanchorloss) | [Proxy Anchor Loss for Deep Metric Learning](https://arxiv.org/pdf/2003.13911.pdf)
 | [**ProxyNCALoss**](https://kevinmusgrave.github.io/pytorch-metric-learning/losses/#proxyncaloss) | [No Fuss Distance Metric Learning using Proxies](https://arxiv.org/pdf/1703.07464.pdf)
+| [**RankedListLoss**](https://kevinmusgrave.github.io/pytorch-metric-learning/losses/#rankedlistloss) | [Ranked List Loss for Deep Metric Learning](https://arxiv.org/abs/1903.03238)
 | [**SignalToNoiseRatioContrastiveLoss**](https://kevinmusgrave.github.io/pytorch-metric-learning/losses/#signaltonoiseratiocontrastiveloss) | [Signal-to-Noise Ratio: A Robust Distance Metric for Deep Metric Learning](http://openaccess.thecvf.com/content_CVPR_2019/papers/Yuan_Signal-To-Noise_Ratio_A_Robust_Distance_Metric_for_Deep_Metric_Learning_CVPR_2019_paper.pdf)
 | [**SoftTripleLoss**](https://kevinmusgrave.github.io/pytorch-metric-learning/losses/#softtripleloss) | [SoftTriple Loss: Deep Metric Learning Without Triplet Sampling](http://openaccess.thecvf.com/content_ICCV_2019/papers/Qian_SoftTriple_Loss_Deep_Metric_Learning_Without_Triplet_Sampling_ICCV_2019_paper.pdf)
 | [**SphereFaceLoss**](https://kevinmusgrave.github.io/pytorch-metric-learning/losses/#spherefaceloss) | [SphereFace: Deep Hypersphere Embedding for Face Recognition](https://arxiv.org/pdf/1704.08063.pdf)