Doc: Update pickle.rst (GH-14128) (GH-16015)

* Edits for readability and grammar
(cherry picked from commit 362f5350eb5e2c7bfb0b0a8c306a2e128c3aee93)

Co-authored-by: Géry Ogam <gery.ogam@gmail.com>

diff --git a/Doc/library/pickle.rst b/Doc/library/pickle.rst
index 2d01d8b7ab2502d7ed4729058de0f2db3ff3968a..f741976c93064d21ebe3296d3c34d7c8fabc3598 100644 (file)
--- a/Doc/library/pickle.rst
+++ b/Doc/library/pickle.rst
@@ -189,8 +189,9 @@ process more convenient:
 
 .. function:: dump(obj, file, protocol=None, \*, fix_imports=True)
 
-   Write a pickled representation of *obj* to the open :term:`file object` *file*.
-   This is equivalent to ``Pickler(file, protocol).dump(obj)``.
+   Write the pickled representation of the object *obj* to the open
+   :term:`file object` *file*.  This is equivalent to
+   ``Pickler(file, protocol).dump(obj)``.
 
    The optional *protocol* argument, an integer, tells the pickler to use
    the given protocol; supported protocols are 0 to :data:`HIGHEST_PROTOCOL`.
@@ -208,7 +209,7 @@ process more convenient:
 
 .. function:: dumps(obj, protocol=None, \*, fix_imports=True)
 
-   Return the pickled representation of the object as a :class:`bytes` object,
+   Return the pickled representation of the object *obj* as a :class:`bytes` object,
    instead of writing it to a file.
 
    Arguments *protocol* and *fix_imports* have the same meaning as in
@@ -216,13 +217,13 @@ process more convenient:
 
 .. function:: load(file, \*, fix_imports=True, encoding="ASCII", errors="strict")
 
-   Read a pickled object representation from the open :term:`file object`
+   Read the pickled representation of an object from the open :term:`file object`
    *file* and return the reconstituted object hierarchy specified therein.
    This is equivalent to ``Unpickler(file).load()``.
 
    The protocol version of the pickle is detected automatically, so no
-   protocol argument is needed.  Bytes past the pickled object's
-   representation are ignored.
+   protocol argument is needed.  Bytes past the pickled representation
+   of the object are ignored.
 
    The argument *file* must have two methods, a read() method that takes an
    integer argument, and a readline() method that requires no arguments.  Both
@@ -243,12 +244,12 @@ process more convenient:
 
 .. function:: loads(bytes_object, \*, fix_imports=True, encoding="ASCII", errors="strict")
 
-   Read a pickled object hierarchy from a :class:`bytes` object and return the
-   reconstituted object hierarchy specified therein.
+   Return the reconstituted object hierarchy of the pickled representation
+   *bytes_object* of an object.
 
    The protocol version of the pickle is detected automatically, so no
-   protocol argument is needed.  Bytes past the pickled object's
-   representation are ignored.
+   protocol argument is needed.  Bytes past the pickled representation
+   of the object are ignored.
 
    Optional keyword arguments are *fix_imports*, *encoding* and *errors*,
    which are used to control compatibility support for pickle stream generated
@@ -310,7 +311,7 @@ The :mod:`pickle` module exports two classes, :class:`Pickler` and
 
    .. method:: dump(obj)
 
-      Write a pickled representation of *obj* to the open file object given in
+      Write the pickled representation of *obj* to the open file object given in
       the constructor.
 
    .. method:: persistent_id(obj)
@@ -382,9 +383,10 @@ The :mod:`pickle` module exports two classes, :class:`Pickler` and
 
    .. method:: load()
 
-      Read a pickled object representation from the open file object given in
-      the constructor, and return the reconstituted object hierarchy specified
-      therein.  Bytes past the pickled object's representation are ignored.
+      Read the pickled representation of an object from the open file object
+      given in the constructor, and return the reconstituted object hierarchy
+      specified therein.  Bytes past the pickled representation of the object
+      are ignored.
 
    .. method:: persistent_load(pid)
 
@@ -649,13 +651,13 @@ alphanumeric characters (for protocol 0) [#]_ or just an arbitrary object (for
 any newer protocol).
 
 The resolution of such persistent IDs is not defined by the :mod:`pickle`
-module; it will delegate this resolution to the user defined methods on the
+module; it will delegate this resolution to the user-defined methods on the
 pickler and unpickler, :meth:`~Pickler.persistent_id` and
 :meth:`~Unpickler.persistent_load` respectively.
 
-To pickle objects that have an external persistent id, the pickler must have a
+To pickle objects that have an external persistent ID, the pickler must have a
 custom :meth:`~Pickler.persistent_id` method that takes an object as an
-argument and returns either ``None`` or the persistent id for that object.
+argument and returns either ``None`` or the persistent ID for that object.
 When ``None`` is returned, the pickler simply pickles the object as normal.
 When a persistent ID string is returned, the pickler will pickle that object,
 along with a marker so that the unpickler will recognize it as a persistent ID.