Update contributors.

CONTRIBUTORS.md

@@ -3,8 +3,8 @@
 
 ## Special thanks to all the people who have helped this project so far:
 
-  * [Mark Cilia Vincenti](https://github.com/MarkCiliaVincenti) as the project owner
-  * [Stephen Cleary](https://github.com/StephenCleary) on whose [Stack Overflow answer](https://stackoverflow.com/questions/31138179/asynchronous-locking-based-on-a-key/31194647#31194647) this library was originally based on
-  * [Tobias "Syzuna" Teske](https://github.com/Syzuna) for fixing a critical bug when he should have been sleeping
-  * [Theodor Zoulias](https://github.com/theodorzoulias) for his valued help with race conditions
-  * [MagicAndre1981](https://github.com/MagicAndre1981) for enabling deterministic builds
+* [Mark Cilia Vincenti](https://github.com/MarkCiliaVincenti) as the project owner
+* [Stephen Cleary](https://github.com/StephenCleary) on whose [Stack Overflow answer](https://stackoverflow.com/questions/31138179/asynchronous-locking-based-on-a-key/31194647#31194647) this library was originally based on
+* [Tobias "Syzuna" Teske](https://github.com/Syzuna) for fixing a critical bug when he should have been sleeping
+* [Theodor Zoulias](https://github.com/theodorzoulias) for his valued help with race conditions
+* [MagicAndre1981](https://github.com/MagicAndre1981) for enabling deterministic builds