diff --git a/FAQ.md b/FAQ.md
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@@ -42,7 +42,7 @@ Another important recommendation is to combine one main list with the [Threat In
 Affiliate and tracking links (referral domains) that appear frequently on offer web pages like Slickdeals, in emails or in search results are allowed in my lists. These are mostly called only after manual clicking on a link and are not used to display advertising.
 If these are blocked, the first hit links from search results, for example, no longer work. Furthermore, some of these domains are also used to unsubscribe from newsletters.
           
-Referral domains have been removed from all lists. Only a few domains that also function as normal trackers are blocked in the aggressive lists.
+Referral domains have been removed from all lists. Only a few domains that also function as pure non link tracker are blocked in the aggressive lists (Pro++ and Ultimate). E.g. `ad.doubleclick.net`, `adservice.google.*`, `app.adjust.*`, ...
          
 The referral domain allowlist can be found here: