diff --git a/TODO.md b/TODO.md
index e2b1145..d01cca8 100644
--- a/TODO.md
+++ b/TODO.md
@@ -1,10 +1,11 @@
 - [x] multiple values per subclass
 - [x] default to first value when using hash syntax
 - [x] open-closed principle
-- [x] Bug: multiple values: Child.all query
+- [ ] Bug: multiple values: Child.all query (double-check)
+- [ ] Rails 5 support (see rails-5 branch)
+- [ ] rubocop-minitest
 - [ ] more tests / examples
 - [ ] Documentation
-- [ ] Rails 5 support
 - [ ] test permitted attributes
 - [ ] scoping… should work OOTB
 - [ ] ~~`self.abstract_class = true` ➔ This results in separate tables~~