X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/dadde570a1f735143e9f5909ede743b9aed97444..651cdd4b2a85f4e5f9d298a7eea7d0e6d94442b1:/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: