diff --git a/lib/doc/Customization.lyx b/lib/doc/Customization.lyx
index ce21689f42..a64345aa3c 100644
--- a/lib/doc/Customization.lyx
+++ b/lib/doc/Customization.lyx
@@ -1,4 +1,4 @@
-#LyX 1.6.2svn created this file. For more info see http://www.lyx.org/
+#LyX 1.6.1 created this file. For more info see http://www.lyx.org/
 \lyxformat 345
 \begin_document
 \begin_header
@@ -2229,6 +2229,21 @@ $$p
  The path to the input file
 \end_layout
 
+\begin_layout Labeling
+\labelwidthstring 00.00.0000
+\begin_inset Flex CharStyle:Code
+status collapsed
+
+\begin_layout Plain Layout
+$$r
+\end_layout
+
+\end_inset
+
+ The path to the original input file (this is different from $$p when chain
+ of converters is called).
+\end_layout
+
 \begin_layout Standard
 In the 
 \begin_inset Flex CharStyle:MenuItem