updated readme.

Author: jacobwilliams

README.md

@@ -11,7 +11,7 @@ Currently, this module can be used to generate simple plots from Fortran.  Event
 The way it works is simply to generate a Python script with the plotting code, which
 is then executed from the command line using the Fortran ```execute_command_line``` function.
 
-The module requires a modern Fortran compiler (it uses various Fortran 2003/2008 features such as deferred-length strings). It should work fine with the latest gfortran or ifort compilers.  A simple script ```build.sh``` is provided for building the library and test program (requires gfortran and [FoBiS](https://github.com/szaghi/FoBiS)).  It will also build the HTML documentation if [ROBODoc](https://github.com/gumpu/ROBODoc) is installed.
+The module requires a modern Fortran compiler (it uses various Fortran 2003/2008 features such as deferred-length strings). It should work fine with the latest gfortran or ifort compilers.  A simple script ```build.sh``` is provided for building the library and test program (requires gfortran and [FoBiS](https://github.com/szaghi/FoBiS)).  It will also build the HTML documentation if [FORD](https://github.com/cmacmackin/ford) is installed.
 
 Supported plot types
 ---------------