Merge pull request #21922 from davidgilbertson/patch-2

DOC: fix typo on custom array containers page

doc/source/user/basics.dispatch.rst

@@ -62,7 +62,7 @@ Notice that the return type is a standard ``numpy.ndarray``.
 How can we pass our custom array type through this function? Numpy allows a
 class to indicate that it would like to handle computations in a custom-defined
 way through the interfaces ``__array_ufunc__`` and ``__array_function__``. Let's
-take one at a time, starting with ``_array_ufunc__``. This method covers
+take one at a time, starting with ``__array_ufunc__``. This method covers
 :ref:`ufuncs`, a class of functions that includes, for example,
 :func:`numpy.multiply` and :func:`numpy.sin`.