readme: fix white space

Author: jorisv

README.md

@@ -83,7 +83,7 @@ The following people have been involved in the development of **EigenPy**:
 - [Sean Yen](https://www.linkedin.com/in/seanyentw) (Microsoft): Windows integration
 - [Loïc Estève](https://github.com/lesteve) (INRIA): Conda integration
 - [Wilson Jallet](https://manifoldfr.github.io/) (INRIA/LAAS-CNRS): core developer
--   [Joris Vaillant](https://github.com/jorisv) (Inria): core developer and manager of the project
+- [Joris Vaillant](https://github.com/jorisv) (Inria): core developer and manager of the project
 
 If you have taken part in the development of **EigenPy**, feel free to add your name and contribution here.