Update README.md

Author: dave6892

README.md

@@ -18,7 +18,8 @@ A [Binder](https://mybinder.org) of the analysis using this work is provided [he
 ## Cite this work
 If you use this code in your project, please cite [Lu et al. 2018](https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0204260):
 
-```@article {lu2018,
+```
+@article {lu2018,
     author = {David Chao-Chia Lu, Chadwick Boulay, Adrian D.C. Chan, Adam J. Sachs},
     title = {Realtime phase-amplitude coupling analysis of micro electrode recorded brain signals},
     year = {2018},