Fix markup in CHANGES (#11639)

CHANGES

@@ -22,8 +22,8 @@ Bugs fixed
   when ``autodoc_preserve_defaults`` is ``True``.
 * Restore support string methods on path objects.
   This is deprecated and will be removed in Sphinx 8.
-  Use :py:func`os.fspath` to convert :py:class:~`pathlib.Path` objects to strings,
-  or :py:class:~`pathlib.Path`'s methods to work with path objects.
+  Use :py:func`os.fspath` to convert :py:class:`~pathlib.Path` objects to strings,
+  or :py:class:`~pathlib.Path`'s methods to work with path objects.
 
 Release 7.2.2 (released Aug 17, 2023)
 =====================================
@@ -38,7 +38,7 @@ Bugs fixed
   which several extensions relied upon.
 * Fixed a type error in ``SingleFileHTMLBuilder._get_local_toctree``,
   ``includehidden`` may be passed as a string or a boolean.
-* Fix ``:noindex:`` for ``PyModule`` and JSModule``.
+* Fix ``:noindex:`` for ``PyModule`` and ``JSModule``.
 
 Release 7.2.1 (released Aug 17, 2023)
 =====================================