Update README.md

Author: lzx1413

README.md

@@ -311,7 +311,7 @@ I would continue adding papers to this roadmap.
 
 **[7]** Vincent Dumoulin, Jonathon Shlens and Manjunath Kudlur. "**A learned representation for artistic style**." arXiv preprint arXiv:1610.07629 (2016). [[pdf]](https://arxiv.org/pdf/1610.07629v1.pdf) :star::star::star::star:
 
-**[8]** Gatys, Leon and Ecker, et al."**Controlling Perceptual Factors in Neural Style Transfer**." arXiv preprint arXiv:1611.07865 (2016). [[pdf]](https://arxiv.org/pdf/1611.07865.pdf) **(control style transfer over spatial location,colour information and across spatial scale)**:star::star::start::star:
+**[8]** Gatys, Leon and Ecker, et al."**Controlling Perceptual Factors in Neural Style Transfer**." arXiv preprint arXiv:1611.07865 (2016). [[pdf]](https://arxiv.org/pdf/1611.07865.pdf) **(control style transfer over spatial location,colour information and across spatial scale)**:star::star::star::star:
 
 **[9]** Ulyanov, Dmitry and Lebedev, Vadim, et al. "**Texture Networks: Feed-forward Synthesis of Textures and Stylized Images**." arXiv preprint arXiv:1603.03417(2016). [[pdf]](http://arxiv.org/abs/1603.03417) **(texture generation and style transfer)** :star::star::star::star: