Update README.md

Author: bzantium

README.md

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 # pytorch-admm-prunning
-It is a Pytorch implementation of DNN weight prunning with ADMM described in [**A Systematic DNN Weight Pruning Framework using Alternating Direction Method of Multipliers**](https://arxiv.org/abs/1804.03294).
+It is a pytorch implementation of DNN weight prunning with ADMM described in [**A Systematic DNN Weight Pruning Framework using Alternating Direction Method of Multipliers**](https://arxiv.org/abs/1804.03294).
 
 ## _Train and test_
 - You can simply run code by