Doc fix for SF #962633.
diff --git a/Doc/mac/libmacfs.tex b/Doc/mac/libmacfs.tex
index f6265ea..944ea1b 100644
--- a/Doc/mac/libmacfs.tex
+++ b/Doc/mac/libmacfs.tex
@@ -9,7 +9,8 @@
 \deprecated{2.3}{The macfs module should be considered obsolete. For
 \class{FSSpec}, \class{FSRef} and \class{Alias} handling use the
 \module{Carbon.File} or \refmodule{Carbon.Folder} module. For file
-dialogs use the \refmodule{EasyDialogs} module.}
+dialogs use the \refmodule{EasyDialogs} module.  Also, this module is
+known to not work correctly with UFS partitions.}
 
 This module provides access to Macintosh \class{FSSpec} handling, the
 Alias Manager, \program{finder} aliases and the Standard File package.