Remove dots in \version{changed,added} argument and
correct argument order.
diff --git a/Doc/lib/libos.tex b/Doc/lib/libos.tex
index 325b8fe..0e1633b 100644
--- a/Doc/lib/libos.tex
+++ b/Doc/lib/libos.tex
@@ -810,7 +810,7 @@
Availability: Macintosh, \UNIX, Windows.
\versionchanged[On Windows NT/2k/XP and \UNIX, if \var{path} is a Unicode
-object, the result will be a list of Unicode objects.]{2.3}
+object, the result will be a list of Unicode objects]{2.3}
\end{funcdesc}
\begin{funcdesc}{lstat}{path}