Apply suggestions from code review

Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>

Author: skirpichev

peps/pep-0791.rst

@@ -38,7 +38,7 @@ subsection of the documentation return a float, but the
 documentation doesn't say so.  In the documentation for the proposed ``imath`` module the sentence "All
 return values are integers." would be accurate.  In a similar way we
 can simplify the description of the accepted arguments for functions in both the
-new module and the :external+py3.14:mod:`math`.
+new module and in :external+py3.14:mod:`math`.
 Which content, as in beginning, will be again related to work with "just
 numbers" --- that for most people with basic education means some model of real
 numbers).
@@ -55,7 +55,7 @@ Currently the :external+py3.14:mod:`math` module code in the CPython is around
 comparable with the :external+py3.14:mod:`cmath` (1340LOC), which is *not* a
 simple wrapper to the ``libm``, as most functions in the
 :external+py3.14:mod:`math` module.
-And this situation tends to be worse.  When the module split `was first
+And this situation tends to get worse.  When the module split `was first
 proposed
 <https://mail.python.org/archives/list/python-ideas@python.org/thread/YYJ5YJBJNCVXQWK5K3WSVNMPUSV56LOR/>`_,
 there were only two integer-related functions:
@@ -73,9 +73,9 @@ Sure, we can be much more vague in the module preamble (i.e. roughly say
 that "the :external+py3.14:mod:`math` module contains some mathematical
 functions") and we can accurately describe input/output for each function.
 
-But the major issue is that current module mix different, almost non-interlaced
+But the major issue is that the current module mixes different, almost non-interlaced
 application domains.  Adding more documentation will just highlight this and
-make the issue worse for end users (more stuff to read/skip).  And it will not
+make the issue worse for end users (more text to read/skip).  And it will not
 fix issue with discoverability (to know in which module to find a function, and
 that it can be found at all, you need to look at all the functions in the
 module), nor with tab-completion.
@@ -158,8 +158,8 @@ interval math or numerical integration.
 Other proposed names include ``ntheory`` (like SymPy's submodule),
 ``integermath`` and ``imaths``.
 
-As a variant, new module can be added as a submodule of the
-:external+py3.14:mod:`math`.  The main module itself will preserve "catch-all"
+As a variant, the new module can be added as a submodule of the
+:external+py3.14:mod:`math`.  The main module itself will preserve a "catch-all"
 role for mathematics in the stdlib.