X-Git-Url: https://git.cworth.org/git?p=notmuch;a=blobdiff_plain;f=doc%2Fman1%2Fnotmuch-show.rst;h=2c0a0de6ad1679ccc2d2596acd3c8936a968e49c;hp=5535392153654b7dcae91585ac002e58d67da54e;hb=cef5eaaef61b1f4dde6276ef267fb923f1b16680;hpb=f599b8873f4fc748ae1befdac776b543e61045d7

diff --git a/doc/man1/notmuch-show.rst b/doc/man1/notmuch-show.rst
index 55353921..2c0a0de6 100644
--- a/doc/man1/notmuch-show.rst
+++ b/doc/man1/notmuch-show.rst
@@ -27,6 +27,12 @@ Supported options for **show** include
 
 .. program:: show
 
+.. option:: --duplicate=N
+
+   Output duplicate number N. The numbering starts from 1, and matches
+   the order used by :option:`search --duplicate` and
+   :option:`search --output=files <search --output>`
+
 .. option:: --entire-thread=(true|false)
 
    If true, **notmuch show** outputs all messages in the thread of