DOC Correct numpy link in Coding Guidelines page
@@ -601,7 +601,7 @@ In addition, we add the following guidelines:
find bugs in scikit-learn.
* Use the `numpy docstring standard
- <https://numpy.readthedocs.io/en/latest/format.html>`_ in all your docstrings.
+ <https://numpydoc.readthedocs.io/en/latest/format.html#numpydoc-docstring-guide>`_ in all your docstrings.
A good example of code that we like can be found `here
