prerequisites.md

@@ -5,7 +5,7 @@
    * Lapack library
    * CMake
    * Swig
-   * Python (>=2.7.3, 3 and above is better) and Numpy
+   * Python (>=3 and above is better) and Numpy
    * (optional) HDF5 library with Fortran support (>=1.10)
 * Optionnal but recommended package for use of pre-processor:
    * Scipy python module