diff --git a/xdelta3/xdelta3.1 b/xdelta3/xdelta3.1

index 693171e..7001400 100644

--- a/xdelta3/xdelta3.1

+++ b/xdelta3/xdelta3.1

@@ -1,4 +1,4 @@

-.TH XDELTA3 "1" "August 2009" "Xdelta3"

+.TH XDELTA3 "1" "August 2013" "Xdelta3"

 .SH NAME

 xdelta3 \- VCDIFF (RFC 3284) binary diff tool

 .SH SYNOPSIS

@@ -54,6 +54,9 @@ compress

 .BI \-f

 force overwrite

 .TP

+.BI \-F

+force the external-compression subprocess

+.TP

 .BI \-h

 show help

 .TP

@@ -118,6 +121,9 @@ disable output (check/compute only)

 .TP

 .BI \-T

 use alternate code table (test)

+.TP

+.BI \-m

+arguments for "merge"

 .SH NOTES

 The