Add note about specifying dependencies
@@ -191,6 +191,11 @@ are `numpydoc <https://github.com/numpy/numpydoc>`_ and
output more closely matches the format of standard Sphinx annotations,
and as a result, it tends to look a bit better with the default theme.
+.. note::
+
+ To use these extensions you need to :doc:`specify the dependencies <guides/specifying-dependencies>`
+ using a requirements file.
+
Can I document a python package that is not at the root of my repository?
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