[Python-checkins] Grammar corrections in abc.rst (GH-10525)

[Miss Islington (bot)]

https://github.com/python/cpython/commit/52fb9f14b1b872f088e8110179aa7071fc06bbde
commit: 52fb9f14b1b872f088e8110179aa7071fc06bbde
branch: 3.7
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: GitHub <noreply at github.com>
date: 2018-11-13T17:00:36-08:00
summary:

Grammar corrections in abc.rst (GH-10525)

(cherry picked from commit 8e0b05e2f4b9fd703cbe1ae8d058852ef3781f44)

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

files:
M Doc/library/abc.rst

diff --git a/Doc/library/abc.rst b/Doc/library/abc.rst
index c1b1e07e2a74..fc39a2e7582b 100644
--- a/Doc/library/abc.rst
+++ b/Doc/library/abc.rst
@@ -18,10 +18,10 @@ see the PEP for why this was added to Python. (See also :pep:`3141` and the
 :mod:`numbers` module regarding a type hierarchy for numbers based on ABCs.)
 
 The :mod:`collections` module has some concrete classes that derive from
-ABCs; these can, of course, be further derived. In addition the
+ABCs; these can, of course, be further derived. In addition, the
 :mod:`collections.abc` submodule has some ABCs that can be used to test whether
-a class or instance provides a particular interface, for example, is it
-hashable or a mapping.
+a class or instance provides a particular interface, for example, if it is
+hashable or if it is a mapping.
 
 
 This module provides the metaclass :class:`ABCMeta` for defining ABCs and