docs: update links

docs/index.rst

@@ -3,8 +3,9 @@ protowhat
 
 protowhat is a utility package required by
 
-- `sqlwhat <https://sqlwhat.readthedocs.io>`_ to write SCTs for SQL exercises, and
-- `protowhat <https://shellwhat.readthedocs.io>`_ to write SCTs for Shell exercises.
+- `pythonwhat <https://pythonwhat.readthedocs.io>`_ to write SCTs for Python exercises
+- `sqlwhat <https://sqlwhat.readthedocs.io>`_ to write SCTs for SQL exercises
+- `shellwhat <https://shellwhat.readthedocs.io>`_ to write SCTs for Shell exercises
 
 protowhat contains functionality that is shared between these packages, including:
 
@@ -13,11 +14,11 @@ protowhat contains functionality that is shared between these packages, includin
 - AST element selection, dispatching and message generation,
 - Basic SCT functions such as ``success_msg()`` and ``has_chosen()``.
 
-All relevent documentation to write SCTs for SQL and Shell exercises,
-including functions that reside in ``protowhat``, can be found in the `sqlwhat <https://sqlwhat.readthedocs.io>`_ and `protowhat <https://shellwhat.readthedocs.io>`_ documentation.
+All relevent documentation to write SCTs for Python, SQL and Shell exercises,
+including functions that reside in ``protowhat``, can be found in the `pythonwhat <https://pythonwhat.readthedocs.io>`_, `sqlwhat <https://sqlwhat.readthedocs.io>`_ and `shellwhat <https://shellwhat.readthedocs.io>`_ documentation.
 
 .. toctree::
    :maxdepth: 2
    :caption: Reference
 
-   reference
+   reference