- not, thoses empty calendar pages will be skipped. *Note:* The archive pages
- will not be automatically updated if this option changes. It is up to the
- user to delete relevant pages, and rebulid the wiki.
+ not, those empty calendar pages will be skipped. *Please note:*
+ * The archive pages will not be automatically updated if this option changes.
+ It is up to the user to delete relevant pages, and rebuild the wiki.
+ * When `calendar_fill_gaps` is set, and a post is deleted, making the
+ corresponding year/month empty, the corresponding page is left, and shows
+ an empty calendar. This is on purpose, not to break any external link
+ pointing to this particular page. If you do not like it, delete the
+ relevant pages, and rebuild the wiki.