diff --git a/TrackParamFilter/sections/whitelist.txt b/TrackParamFilter/sections/whitelist.txt
index 3c6dd612f83..0e3d344da4f 100644
--- a/TrackParamFilter/sections/whitelist.txt
+++ b/TrackParamFilter/sections/whitelist.txt
@@ -9,6 +9,7 @@
 ! https://github.com/AdguardTeam/AdguardFilters/issues/96952
 @@||img*.nga$removeparam=cmpid
 ! https://github.com/AdguardTeam/AdguardFilters/issues/95837#issuecomment-944914999
+! it can be removed after the release of the extension 4.0
 !+ PLATFORM(ext_ff)
 @@/ws$removeparam,domain=speedtest.net
 ! https://github.com/AdguardTeam/AdguardFilters/issues/96900