You can add other tags to `THREAD_TAGS` as needed. Note that this is
one way only; you need to explicitly remove the tag from all the
messages in a thread to stop it from propagating again. See
-[notmuch-search-terms](https://notmuchmail.org/doc/latest/man5/notmuch-hooks.html)
+[notmuch-search-terms](https://notmuchmail.org/doc/latest/man7/notmuch-search-terms.html)
for discussion of `thread:{}` queries.