Update 'README.md'

README.md

@@ -7,8 +7,8 @@ These data were collected by Dun Mao in the laboratory of Bruce L. McNaughton at
 
 www.pnas.org/cgi/doi/10.1073/pnas.1803224115
 
-If you want to use the data in any form or want to collaborate, please get in touch at:
-**zjumao@gmail.com (Dun Mao) or bruce.mcnaughton@uleth.ca (Bruce McNaughton)**
+If you want to use the data in any form or want to collaborate, please get in touch at:\n
+**zjumao@gmail.com (Dun Mao)** or **bruce.mcnaughton@uleth.ca (Bruce McNaughton)**
 
 **Data description:**