diff --git a/tracked_links.txt b/tracked_links.txt
index 022dce382a..1ca9a23db1 100644
--- a/tracked_links.txt
+++ b/tracked_links.txt
@@ -1467,6 +1467,7 @@ core.telegram.org/mtproto/TL
 core.telegram.org/mtproto/TL-abstract-types
 core.telegram.org/mtproto/TL-combinators
 core.telegram.org/mtproto/TL-dependent
+core.telegram.org/mtproto/TL-formal
 core.telegram.org/mtproto/TL-optargs
 core.telegram.org/mtproto/TL-patterns
 core.telegram.org/mtproto/TL-polymorph