Apply suggestions from code review

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

Author: henryiii

source/guides/packaging-binary-extensions.rst

@@ -232,16 +232,15 @@ guide includes an introduction to writing a
 Building binary extensions
 ==========================
 
-Building extensions in CI
+Building extensions for multiple platforms
 -------------------------
 
-If you plan to distribute your modules, you should provide builds for all the
+If you plan to distribute your extension, you should provide :term:`wheels <Wheel>` for all the
 platforms you intend to support. For most extensions, this is at least one
-module per Python version times the number of OS and archetectures you support.
+package per Python version times the number of OS and architectures you support.
 These are usually built on continous integration (CI) systems. There are tools
 to help you build highly redistributable binaries from CI; these include
-`cibuildwheel <https://cibuildwheel.readthedocs.io>`__ and
-`multibuild <https://github.com/matthew-brett/multibuild>`__.
+:ref:`cibuildwheel` and :ref:`multibuild`.
 
 
 Binary extensions for Windows