diff --git a/home/private_dot_config/zsh/todo.md b/home/private_dot_config/zsh/todo.md
index b2991e7..dfb7bf4 100644
--- a/home/private_dot_config/zsh/todo.md
+++ b/home/private_dot_config/zsh/todo.md
@@ -1,4 +1,4 @@
 # Todo
 
-- [x] make a `bak` function to append `<today's date>.bak` to a file
 - [ ] turn zexists into standalone plugin on github
+- [ ] convert tn (an alias) into a directory aware alias