Updated FAQ

FAQ.md

@@ -1946,6 +1946,8 @@ The dot shows the relative position of the conversation in the message list.
 The dot will be show orange when the conversation is the first or last in the message list, else it will be blue.
 The dot is meant as an aid when swiping left/right to go to the previous/next conversation.
 
+The dot is disabled by default and can be enabled with the display settings *Show relative conversation position with a dot*.
+
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