diff --git a/µBlock-and-others:-Blocking-ads,-trackers,-malwares.md b/µBlock-and-others:-Blocking-ads,-trackers,-malwares.md
index c4571bc..7437844 100644
--- a/µBlock-and-others:-Blocking-ads,-trackers,-malwares.md
+++ b/µBlock-and-others:-Blocking-ads,-trackers,-malwares.md
@@ -90,6 +90,8 @@ Browser settings (if you mind your privacy, there is no way around these setting
 [Sessbench](https://github.com/gorhill/sessbench) was used to run the benchmarks, 
 and each extension was tested as the only extension active in the browser.
 
+The official Public Suffix List is used to determine the domain of a URL.
+
 **Note regarding the methodology:** It has been said that I was unfair toward ABP because I didn't
 use [Peter Lowe’s Ad server](http://pgl.yoyo.org/) list for ABP while I did for µBlock. It is
 true that I could have imported the list into ABP, which most certainly account for the difference