message: PR : Typo in installation doc
diff: @@ -33,9 +33,9 @@ following command in a terminal:
  .. code-block:: bash
  - cd /path-to-gudhi/build/src/cython
  + cd /path-to-gudhi/build/cython
  # For windows, you have to set PYTHONPATH environment variable
  - export PYTHONPATH='$PYTHONPATH:/path-to-gudhi/build/src/cython'
  + export PYTHONPATH='$PYTHONPATH:/path-to-gudhi/build/cython'
  py.test
  Documentation
  