Update README.md

Author: sbryngelson

README.md

@@ -29,7 +29,7 @@
 Welcome to the home of MFC!
 MFC simulates compressible multi-component and multi-phase flows, amongst other things. 
 It scales ideally to tens of thousands of GPUs.
-MFC is a Fortran codebase that makes use of metaprogramming to keep the codebase readable and compact.
+MFC is written in Fortran and makes use of metaprogramming to keep the codebase readable and compact.
 Please contact the developers, like [Spencer](mailto:[email protected]), if you have any questions.
 We have an active Slack channel to help ease in new MFC users and support development.