Update README.md

README.md

@@ -70,6 +70,6 @@ stoi_imp: 0.21817376142710482
 License notice:
 
 This work "ConvTasNet_Libri2Mix_sepclean_8k" 
-is a derivative of LibriSpeech ASR corpus by Vassil Panayotov,
-used under CC BY 4.0. "ConvTasNet_Libri2Mix_sepclean_8k" 
-is licensed under Attribution-ShareAlike 3.0 Unported by Cosentino Joris.
+is a derivative of [LibriSpeech ASR corpus](http://www.openslr.org/12) by Vassil Panayotov,
+used under [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/). "ConvTasNet_Libri2Mix_sepclean_8k" 
+is licensed under [Attribution-ShareAlike 3.0 Unported](https://creativecommons.org/licenses/by-sa/3.0/) by Cosentino Joris.