Fix error in markdown

README.md

@@ -19,6 +19,6 @@ Key differences:
 CommandCenter is written by [David Churchill](http://www.cs.mun.ca/~dchurchill/), Assistant Professor of [Computer Science](https://www.cs.mun.ca/) at Memorial University, and organizer of the [AIIDE StarCraft AI
 Competition](http://www.cs.mun.ca/~dchurchill/starcraftaicomp/).
 
-Which in turn based his work on the Blizzard's [StarCraft II AI 
-API]((https://github.com/Blizzard/s2client-api) and the architecture of 
+CommandCenter is in turn based on the Blizzard's [StarCraft II AI 
+API](https://github.com/Blizzard/s2client-api) and the architecture of 
 [UAlbertaBot](https://github.com/davechurchill/ualbertabot/wiki).