message: Fix code review (we are building Cython and not demos)
diff: @@ -10,10 +10,10 @@ Mac OSX and Visual Studio 2015.
  It also requires cmake to generate makefiles, and cython to compile the
  library.
  -Demos and examples
  -==================
  +GUDHI Cythonization
  +===================
  -To build the demos and examples, run the following commands in a terminal:
  +To build the GUDHI cython module, run the following commands in a terminal:
  .. code-block:: bash
  