Apply suggestions from code review

Co-authored-by: Brian Rutledge <brian@bhrutledge.com>

Author: henryiii

source/guides/packaging-binary-extensions.rst

@@ -240,13 +240,11 @@ that you have a suitable compiler available. On Windows, Visual C is used to
 build the official CPython interpreter, and should be used to build compatible
 binary extensions.
 
-Python 2.7 used Visual Studio 2008, and Python 3.5+ uses Visual Studio 2015 or
-later; since 2015 Microsoft has kept backward compatibility (with one exception,
-listed below). Unfortunately, older versions of Visual Studio are no longer
-available from Microsoft, so building for CPython < 3.5 is discouraged. If you do
+Building for Python prior to 3.5 is discouraged, because older versions of
+Visual Studio are no longer available from Microsoft. If you do
 need to build for older versions, you can set ``DISTUTILS_USE_SDK=1`` and
 ``MSSdk=1`` to force a the currently activated version of MSVC to be found,
-and you should exercize care when designing your extension not to malloc/free
+and you should exercise care when designing your extension not to malloc/free
 memory across different libraries, avoid relying on changed data structures,
 and so on. Tools for generating extension modules usually avoid these things
 for you.
@@ -255,14 +253,12 @@ To set up a build environment for binary extensions, install
 `Visual Studio Community Edition <https://www.visualstudio.com/en-us/downloads/download-visual-studio-vs.aspx>`__ - any
 recent version is fine.
 
-One caveat; if you use MSVC 2019+, your extension will depend on an "extra"
-file, ``VCRUNTIME140_1.dll``, in addition to the ``VCRUNTIME140.dll`` all previous
+One caveat: if you use Visual Studio 2019 or later, your extension will depend on an "extra"
+file, ``VCRUNTIME140_1.dll``, in addition to the ``VCRUNTIME140.dll`` that all previous
 verisions back to 2015 depend on. This will add an extra requirement to using
-your extension on versions of CPython that do not include this extra file; you
-can add the compile-time argument ``/d2FH4-`` to avoid this link on 2019+.
+your extension on versions of CPython that do not include this extra file. To
+avoid this, you can add the compile-time argument ``/d2FH4-``.
 
-Building with the recommended compiler on Windows ensures that a compatible C library
-is used throughout the Python process.
 
 Binary extensions for Linux
 ---------------------------