(DOCSP-50434) free user charts autorefresh settings dialog admonition (#705)

* (DOCSP-50434) free user charts autorefresh settings dialog admonition

* (DOCSP-50434) copy feedback

Author: carriecwk

source/dashboards/view-dashboard-data/dashboard-refresh.txt

@@ -29,6 +29,11 @@ of date. You can specify how stale your charts' data can be before it is
 refreshed. This is known as your staleness tolerance. The default
 behavior is to refresh when data is one hour stale.
 
+.. note::
+   
+   If you are a free-tier user, the :guilabel:`Automatic refresh` setting 
+   defaults to a four hour interval.
+
 To configure automatic refresh settings for a dashboard:
 
 .. procedure::