commit c05c0e045ccf6e065c59c193195dc0e9b7242dd4
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Fri Jun 15 12:42:30 2018 -0700
committer GitHub <noreply@github.com> Fri Jun 15 12:42:30 2018 -0700
tree 6614be5c2f8b7f4c6d1785f3a5cf72d87db19722
parent 0113391e3f3db0fea6a9545310dc06aa5ea41461

bpo-33847: Add '@' operator entry to index (GH-7669)

(cherry picked from commit 695118600fecaa7b95634e168ad7cbbc561fd1ec)

Co-authored-by: Andrés Delfino <adelfino@gmail.com>

Doc/reference/expressions.rst

diff --git a/Doc/reference/expressions.rst b/Doc/reference/expressions.rst
index ad8613b..83cf738 100644
--- a/Doc/reference/expressions.rst
+++ b/Doc/reference/expressions.rst
@@ -1144,7 +1144,9 @@
 common type and then multiplied together.  In the latter case, sequence
 repetition is performed; a negative repetition factor yields an empty sequence.
 
-.. index:: single: matrix multiplication
+.. index::
+   single: matrix multiplication
+   operator: @
 
 The ``@`` (at) operator is intended to be used for matrix multiplication.  No
 builtin Python types implement this operator.