Fix typo of Reference for Studio in README.rst (#122)

Signed-off-by: Joseph Goldstone <[email protected]>

Author: JGoldstone

README.rst

@@ -231,7 +231,7 @@ CG Config
 | Updating Mapping File | `invoke update-mapping-file-cg`     |
 +-----------------------+-------------------------------------+
 
-Reference Config
+Studio Config
 ****************
 
 +-----------------------+-----------------------------------------+