diff --git a/TrackParamFilter/sections/specific.txt b/TrackParamFilter/sections/specific.txt
index c3a3ab55480..1c9abef81bb 100644
--- a/TrackParamFilter/sections/specific.txt
+++ b/TrackParamFilter/sections/specific.txt
@@ -5,7 +5,9 @@
 ! Good: ||example.org^$removeparam=cx
 ! Bad: ||example.org^$xmlhttprequest,redirect=noopvast-3.0 (for instance, should be in specific.txt)
 !
-!
+! https://github.com/DandelionSprout/adfilt/discussions/163#discussioncomment-18121085
+||datafa.st^$removeparam=ref
+||datafa.st^$removeparam=via
 ! https://github.com/AdguardTeam/AdguardFilters/issues/238848
 ||j-cast.com^$removeparam=in
 ! https://github.com/AdguardTeam/AdguardFilters/issues/238679