bpo-45393: help() on operator precedence has misleading entries (GH-31246) (GH-92966)

(cherry picked from commit fb082c2)

Co-authored-by: Zackery Spytz <zspytz@gmail.com>

Author: miss-islington

Doc/reference/expressions.rst

@@ -1891,7 +1891,7 @@ precedence and have a left-to-right chaining feature as described in the
 | ``x[index]``, ``x[index:index]``,             | Subscription, slicing,              |
 | ``x(arguments...)``, ``x.attribute``          | call, attribute reference           |
 +-----------------------------------------------+-------------------------------------+
-| :keyword:`await` ``x``                        | Await expression                    |
+| :keyword:`await x <await>`                    | Await expression                    |
 +-----------------------------------------------+-------------------------------------+
 | ``**``                                        | Exponentiation [#]_                 |
 +-----------------------------------------------+-------------------------------------+
@@ -1915,7 +1915,7 @@ precedence and have a left-to-right chaining feature as described in the
 | :keyword:`is`, :keyword:`is not`, ``<``,      | tests and identity tests            |
 | ``<=``, ``>``, ``>=``, ``!=``, ``==``         |                                     |
 +-----------------------------------------------+-------------------------------------+
-| :keyword:`not` ``x``                          | Boolean NOT                         |
+| :keyword:`not x <not>`                        | Boolean NOT                         |
 +-----------------------------------------------+-------------------------------------+
 | :keyword:`and`                                | Boolean AND                         |
 +-----------------------------------------------+-------------------------------------+

Misc/NEWS.d/next/Library/2022-02-09-23-44-27.bpo-45393.9v5Y8U.rst

@@ -0,0 +1,2 @@
+Fix the formatting for ``await x`` and ``not x`` in the operator precedence
+table when using the :func:`help` system.