X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/7f5c2cfa5a987d887f42d6db95f80f42ceb3b5ff..ab793c1db08d250b920e16552a4fdf247d66a661:/doc/plugins/contrib/datetime_cmp.mdwn

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: