DOC: dual: Note the deprecation of numpy.dual in the dual module docstring.

Also make the correction "Scipy" -> "SciPy" in a few places.

1 files changed, 10 insertions, 4 deletions

diff --git a/numpy/dual.py b/numpy/dual.py
index 9200a054e..eb7e61aac 100644
--- a/numpy/dual.py
+++ b/numpy/dual.py
@@ -1,13 +1,19 @@
 """
-Aliases for functions which may be accelerated by Scipy.
+.. deprecated:: 1.20
 
-Scipy_ can be built to use accelerated or otherwise improved libraries
+*This module is deprecated.  Instead of importing functions from*
+``numpy.dual``, *the functions should be imported directly from NumPy
+or SciPy*.
+
+Aliases for functions which may be accelerated by SciPy.
+
+SciPy_ can be built to use accelerated or otherwise improved libraries
 for FFTs, linear algebra, and special functions. This module allows
 developers to transparently support these accelerated functions when
-scipy is available but still support users who have only installed
+SciPy is available but still support users who have only installed
 NumPy.
 
-.. _Scipy : https://www.scipy.org
+.. _SciPy : https://www.scipy.org
 
 """
 import warnings