diff --git a/README.md b/README.md
index ea4beac..c3b636a 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,8 @@
 # TODO
 
+- [ ] minidom ns
+- [ ] customize tls verify?
 - [ ] Error type
+- [ ] unexpected event errors
 - [ ] doc
 - [ ] tests