Update index.md

Author: yurikuzn

docs/extensions/meeting-scheduler/index.md

@@ -6,13 +6,10 @@ Available in the [Meeting Scheduler](https://www.espocrm.com/extensions/meeting-
 
 With the Meeting Scheduler tool you can create online pages where contacts can book meetings with CRM users. Contacts can choose from time slots when the host is available. The scheduler configuration can help avoid meeting overload. You can also set up automated meeting distribution among multiple hosts.
 
-!!! note
-
-    An attendee is required to fill in the email address when booking a meeting.
-
 In this article:
 
 * [Access](#access)
+* [General](#general)
 * [Setting up](#setting-up)
 * [Overrides](#overrides)
 * [Questions](#questions)
@@ -32,6 +29,14 @@ There's a possible configuration where a Meeting Scheduler is managed by one use
 
 The Meeting Scheduler Hosts scope allows users to configure schedulers that distribute meetings to other users.
 
+## General
+
+The system uses the parameter *Free/Busy Entity List* when determing busy time slots. This parameter is available under: Administration > Settings.
+
+!!! note
+
+    An attendee is required to fill in the email address when booking a meeting.
+
 ## Setting up
 
 You can access the Meeting Schedulers list view from the navbar. There, you can create a new Meeting Scheduler.