diff --git a/doc/todo/git-hook_to_sanity-check_git-annex_branch_pushes.mdwn b/doc/todo/git-hook_to_sanity-check_git-annex_branch_pushes.mdwn
index 3f347cb02a..bee234e107 100644
--- a/doc/todo/git-hook_to_sanity-check_git-annex_branch_pushes.mdwn
+++ b/doc/todo/git-hook_to_sanity-check_git-annex_branch_pushes.mdwn
@@ -53,3 +53,5 @@ So far it only forbids removals and changes to trust.log.  A bunch of
 stuff is still missing like parameters (to allow changing the list of
 protected files) and checking the log tracking info. Feedback
 welcome. --[[anarcat]]
+
+Similar: [[todo/append-only_mode]]