diff --git a/data/blocklist.csv b/data/blocklist.csv
index c2746fab..4f71c1bf 100644
--- a/data/blocklist.csv
+++ b/data/blocklist.csv
@@ -150,7 +150,6 @@ DigiSport3Hungary.hu,https://github.com/github/dmca/blob/master/2020/09/2020-09-
 DigiSport3Romania.ro,https://github.com/github/dmca/blob/master/2020/09/2020-09-16-dfl.md
 DigiSport4Romania.ro,https://github.com/github/dmca/blob/master/2020/09/2020-09-16-dfl.md
 DiscoveryAsia.us,https://github.com/iptv-org/iptv/issues/1831
-DiscoveryChannelAtlanticoSur.us,https://github.com/iptv-org/iptv/issues/1831
 DiscoveryChannelAustralia.au,https://github.com/iptv-org/iptv/issues/1831
 DiscoveryChannelAustraliaPlus2.au,https://github.com/iptv-org/iptv/issues/1831
 DiscoveryChannelBrasil.br,https://github.com/iptv-org/iptv/issues/1831
@@ -227,7 +226,7 @@ DiscoveryScienceSoutheastAsia.us,https://github.com/iptv-org/iptv/issues/1831
 DiscoveryScienceTurkey.us,https://github.com/iptv-org/iptv/issues/1831
 DiscoveryScienceUK.uk,https://github.com/iptv-org/iptv/issues/1831
 DiscoveryScienceUKPlus1.uk,https://github.com/iptv-org/iptv/issues/1831
-DiscoveryTheater.us,https://github.com/iptv-org/iptv/issues/1831
+DiscoveryTheaterHD.us,https://github.com/iptv-org/iptv/issues/1831
 DiscoveryTurboAmericaLatina.us,https://github.com/iptv-org/iptv/issues/1831
 DiscoveryTurboAustralia.au,https://github.com/iptv-org/iptv/issues/1831
 DiscoveryTurboAustraliaNewZealand.nz,https://github.com/iptv-org/iptv/issues/1831
@@ -237,7 +236,7 @@ DiscoveryTurboIndia.in,https://github.com/iptv-org/iptv/issues/1831
 DiscoveryTurboNewZealand.nz,https://github.com/iptv-org/iptv/issues/1831
 DiscoveryTurboUK.uk,https://github.com/iptv-org/iptv/issues/1831
 DiscoveryTurboUKPlus1.uk,https://github.com/iptv-org/iptv/issues/1831
-DiscoveryUltra.us,https://github.com/iptv-org/iptv/issues/1831
+DiscoveryUltra.ru,https://github.com/iptv-org/iptv/issues/1831
 DiscoveryVelocity.ca,https://github.com/iptv-org/iptv/issues/1831
 DiscoveryWorldBrasil.br,https://github.com/iptv-org/iptv/issues/1831
 DIYNetworkCanada.ca,https://github.com/iptv-org/iptv/issues/1831