From 9da882c7765066ebc29d66ea848edef8a0b7149f Mon Sep 17 00:00:00 2001
From: spalax <spalax@web>
Date: Tue, 7 Jun 2016 02:26:23 -0400
Subject: [PATCH] Add required packages

---
 doc/plugins/contrib/datetime_cmp.mdwn | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/doc/plugins/contrib/datetime_cmp.mdwn b/doc/plugins/contrib/datetime_cmp.mdwn
index ba35b37c6..47eaffaec 100644
--- a/doc/plugins/contrib/datetime_cmp.mdwn
+++ b/doc/plugins/contrib/datetime_cmp.mdwn
@@ -11,6 +11,8 @@ creation or modification times.
 It also sets the date of the next modification of the page on relevant date, so
 that the page will be rebuilt if the condition changes.
 
+It requires the DateTime::Format::Duration perl module (on Debian : ``apt-get install libdatetime-format-duration-perl``).
+
 ## List of functions
 
 The list of functions is given by the following regexp:
-- 
2.39.2