Update README.md

Author: jacobwilliams

README.md

@@ -15,8 +15,8 @@ Building the Library
 The code requires a Fortran compiler that supports
 various Fortran 2003 and Fortran 2008 features such as: allocatable
 strings, associate, newunit, generic, class, and abstract interface.
-It has been successfully compiled with the Intel Fortran compiler
-13.1.0 (and greater) and the recent [4.9 release of the GNU gfortran
+It has been successfully compiled with the [Intel Fortran compiler
+13.1.0](https://software.intel.com/en-us/non-commercial-software-development) (and greater) and the recent [4.9 release of the GNU gfortran
 compiler](http://gcc.gnu.org/wiki/GFortran/News#GCC4.9).  
 
 Currently three ways are provided to build the jsonfortran library