diff --git a/UsefulAdsFilter/sections/usefulads.txt b/UsefulAdsFilter/sections/usefulads.txt
index be0503164fd..740ee3c5462 100644
--- a/UsefulAdsFilter/sections/usefulads.txt
+++ b/UsefulAdsFilter/sections/usefulads.txt
@@ -189,6 +189,8 @@ search.brave.com#@#div[data-advertiser-id]
 ! https://github.com/AdguardTeam/AdguardFilters/issues/117527
 buscape.com.br#@#div[class^="Hits_SponsoredWrapper__"]
 !
+! developer.mozilla.org - self-promo in documentation (the rule is from EasyList)
+@@||developer.mozilla.org/pong/
 ! Mediafire premium upgrade
 mediafire.com#@##upsellBox
 ! Startpage