Move to paragraph style

Co-authored-by: Stan Ulbrych <stan@python.org>

Author: cmaloney

Doc/library/os.rst

@@ -2182,9 +2182,8 @@ features:
 
    .. seealso::
 
-      Context manager :func:`contextlib.chdir`
-         Changes the working directory on entering and restores the previous one
-         on exit.
+      The :func:`contextlib.chdir` context manager, which changes the current
+      working directory on entering and restores the previous one on exit.
 
    .. versionchanged:: 3.3
       Added support for specifying *path* as a file descriptor