diff --git a/Doc/lib/libos.tex b/Doc/lib/libos.tex
index a3918e8..50dad08 100644
--- a/Doc/lib/libos.tex
+++ b/Doc/lib/libos.tex
@@ -875,10 +875,9 @@
 but makes all intermediate-level directories needed to contain the
 leaf directory.  Throws an \exception{error} exception if the leaf
 directory already exists or cannot be created.  The default \var{mode}
-is \code{0777} (octal).  This function does not properly handle UNC
-paths (only relevant on Windows systems; Universal Naming Convention
-paths are those that use the `\code{\e\e host\e path}' syntax).
+is \code{0777} (octal).
 \versionadded{1.5.2}
+\versionchanged[This function now handles UNC paths correctly]{2.3}
 \end{funcdesc}
 
 \begin{funcdesc}{pathconf}{path, name}