fix hierarchy calendar view

source/guides/access-calendar-feeds.rst

+.. _access-calendar-feeds:
+
 ========================
 List available calendars
 ========================
 
 
-.. _access-calendar-feeds:
-
-
-Access the calendar feeds overview page
-=======================================
-
-add "/feeds/" to the URL of the castellum start page and confirm.
+To access the calendar feeds overview page add "/feeds/" to the URL of the 
+castellum start page and confirm.
 
 Find the different types of calendars
 =====================================