Fix grammar in using/unix build instruction docs (GH-10009)
diff --git a/Doc/using/unix.rst b/Doc/using/unix.rst
index 8b392f8..4403180 100644
--- a/Doc/using/unix.rst
+++ b/Doc/using/unix.rst
@@ -72,15 +72,15 @@
<https://devguide.python.org/setup/#getting-the-source-code>`_. (If you want
to contribute patches, you will need a clone.)
-The build process consists in the usual ::
+The build process consists of the usual commands::
./configure
make
make install
-invocations. Configuration options and caveats for specific Unix platforms are
-extensively documented in the :source:`README.rst` file in the root of the Python
-source tree.
+Configuration options and caveats for specific Unix platforms are extensively
+documented in the :source:`README.rst` file in the root of the Python source
+tree.
.. warning::