diff --git a/debian/changelog b/debian/changelog
index 3a573f7..98eae51 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,8 +1,9 @@
 ubuntu-dev-tools (0.94) UNRELEASED; urgency=low
 
+  * docs/lp-set-dup.1: add manpage for lp-set-dup.
   * debian/control: bump Standards-Version to 3.8.4, no changes needed.
 
- -- Luca Falavigna <dktrkranz@ubuntu.com>  Sat, 06 Mar 2010 12:51:54 +0100
+ -- Luca Falavigna <dktrkranz@debian.org>  Sat, 06 Mar 2010 12:55:40 +0100
 
 ubuntu-dev-tools (0.93) lucid; urgency=low
 
diff --git a/doc/lp-set-dup.1 b/doc/lp-set-dup.1
new file mode 100644
index 0000000..25de868
--- /dev/null
+++ b/doc/lp-set-dup.1
@@ -0,0 +1,28 @@
+.TH lp\-set\-dup "1" "March 6 2010" "ubuntu-dev-tools"
+.SH NAME
+lp\-set-\dup \- mark one or more bugs as duplicate of another bug
+
+.SH SYNOPSIS
+.B lp\-set\-dup [\-f] <main bug> <duplicate bug> [<duplicate bug> ...]
+.br
+.B lp\-set\-dup \-\-help
+
+.SH DESCRIPTION
+\fBlp\-set\-dup\fR allow to easily mark one or more bug as duplicate of
+another bug. It checks for permission to operate on a given bug first,
+then perform required tasks on Launchpad.
+
+.SH OPTIONS
+Listed below are the command line options for \fBlp\-set\-dup\fR:
+.TP
+.B \-h or \-\-help
+Display a help message and exit.
+.TP
+.B \-f
+Skip confirmation prompt.
+
+.SH AUTHORS
+\fBlp\-set\-dup\fR was written by Loïc Minier <lool@dooz.org>,
+and this manual page was written by Luca Falavigna <dktrkranz@debian.org>.
+.PP
+Both are released under the terms of the GNU General Public License, version 2.