Update README.md

Author: jacobwilliams

README.md

@@ -21,10 +21,9 @@ Building the Library
 Currently three ways are provided to build the jsonfortran library
 (libjsonfortran). 
 
-* A simple build script, build.sh is provided in the project
-root directory. This is mainly used for testing, and also builds the example program.
+* A simple build script, build.sh is provided in the project root directory. This is mainly used for testing, and also builds the example program.  Edit the script to use either the Intel compiler or gfortran.
 
-* A Visual Studio 2010 project is included for building the library (and example program) on Windows.
+* A Visual Studio 2010 project is included for building the library (and example program) on Windows with the Intel compiler.
 
 * Additionally, a [CMake](http://www.cmake.org) build
 system is provided. This build system has been tested on Mac and Linux