Small changes to PyData reference in README
@@ -86,8 +86,9 @@ Project goals
* Build a Pythonic API for GMT.
* Interface with the GMT C API directly using ctypes (no system calls).
* Support for rich display in the Jupyter notebook.
-* Integration with the PyData Ecosystem: numpy.ndarray or pandas.DataFrame for data tables
- and xarray.DataArray for grids.
+* Integration with the `PyData <https://pydata.org/>`__ ecosystem:
+ ``numpy.ndarray`` or ``pandas.DataFrame`` for data tables and
+ ``xarray.DataArray`` for grids.
Contacting Us
