Fix duplicate label and a typo.
diff --git a/Doc/using/unix.rst b/Doc/using/unix.rst
index 8a452dc..cc99a62 100644
--- a/Doc/using/unix.rst
+++ b/Doc/using/unix.rst
@@ -1,6 +1,6 @@
.. highlightlang:: none
-.. _using-on-windows:
+.. _using-on-unix:
********************************
Using Python on Unix platforms
@@ -79,9 +79,10 @@
source tree.
.. warning::
- ``make install`` can overwrite or masquerade the :file:`python` binary;
- ``make altinstall`` is recommended instead of ``make install`` since it
- only install :file:`{exec_prefix}/bin/python{version}`.
+
+ ``make install`` can overwrite or masquerade the :file:`python` binary.
+ ``make altinstall`` is therefore recommended instead of ``make install``
+ since it only installs :file:`{exec_prefix}/bin/python{version}`.
Python-related paths and files