mention the cron job

diff --git a/underlays/basewiki/directive/aggregate.mdwn b/underlays/basewiki/directive/aggregate.mdwn
index e8c1d8e10eb6cb135b1e0ee9462ff46b8091e115..b8814a049bbcf37d694476f9a1f10affa5dc1591 100644 (file)
--- a/underlays/basewiki/directive/aggregate.mdwn
+++ b/underlays/basewiki/directive/aggregate.mdwn
@@ -8,8 +8,9 @@ Aggregate a feed as follows:
        url="http://example.com/" updateinterval="15"]]
 
 That example aggregates posts from the specified RSS feed, updating no
-more frequently than once every 15 minutes, and puts a page per post under
-the example/ directory in the wiki.
+more frequently than once every 15 minutes (though possibly less
+frequently, if the cron job runs less frequently than that), and puts a
+page per post under the example/ directory in the wiki.
 
 You can then use ikiwiki's [[ikiwiki/blog]] support to create a blog of one or
 more aggregated feeds. For example: