(DOCSP-43834) specifies timeout limitation for users downloading a pdf of a dashboard (#697)

* (DOCSP-43834) specifies timeout limitation for users downloading a pdf of a dashboard

* (DOCSP-43834) dashboard limitation

Author: carriecwk

source/dashboards/dashboard-import-export.txt

@@ -124,6 +124,11 @@ You can export a dashboard to a single file named
 You can export a dashboard from the :guilabel:`Dashboards` page or from 
 the dashboard itself. 
 
+.. note::
+
+   If a dashboard export query surpasses 5 minutes, the query times out. The timeout impacts you if you want to 
+   download a PDF of your dashboard. 
+
 To export a dashboard:
 
 .. procedure::