Updated FAQ

FAQ.md

@@ -1104,6 +1104,7 @@ Duplicate (archived) messages, trashed messages and draft messages are not count
 **(71) How do I use filter rules?**
 
 You can edit filter rules by long pressing a folder in the folder list.
+The rules will be applied to new messages received in the folder, not to existing messages.
 
 You'll need to give a rule a name and you'll need to define the order in which a rule should be executed relative to other rules.
 
@@ -1112,6 +1113,13 @@ You can disable a rule and you can stop processing other rules after a rule has
 All the conditions of a rule need to be true for a filter rule to be executed.
 Conditions are optional, but there needs to be at least one condition.
 
+You can select one of these actions to apply to matching messages:
+
+* Mark as read
+* Mark as unread
+* Move
+* Reply template
+
 Filter rules are applied direct after the message header has been fetched, before the message text has been downloaded,
 so it is not possible to apply filter rules to the message text.
 Note that large message texts are downloaded on demand on a metered connection to save data.