minor

Author: xis10z

README.md

@@ -56,7 +56,7 @@ This repository contains the optimization code used to synthesize controllers fo
 
 ## Data and Results
 
-The following folder hierarchy and in the ``data`` folder are created automatically when the optimization and analysis code above is executed. 
+The following folder hierarchy in the ``data`` folder are created automatically when the optimization and analysis code above is executed. 
 
 | Directory                  | Contents                                                                                                                                                                                                                      |
 | -------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |