diff --git a/HD Wallets TODO.txt b/HD Wallets TODO.txt
index 65994872..007cf1e0 100644
--- a/HD Wallets TODO.txt	
+++ b/HD Wallets TODO.txt	
@@ -1,13 +1,14 @@
 - Switch to the tree format agreed on with slush/stick.
 - Store the account key creation time for an HD hierarchy.
 - Support seeds up to 512 bits in size. Test compatibility with greenaddress, at least for some keys.
-- Make Wallet notify key chains when a key has been observed in a transaction.
-- Make DeterministicKeyChain auto-extend when a key was observed, to keep a gap limit in place.
 - Support for key rotation
 - Support for auto upgrade
 - Calculate lookahead keys on a background thread.
 - Redo internals of DKC to support arbitrary tree structures.
 - Add a REFUND key purpose and map to the receive tree (for now).
+- Write unit tests for auto key lookahead code from Harold.
+- Pre-check the keys for all attached BlockChainListeners and reset the chain download if any of them throw an exception
+  then use this to ensure that we can't accidentally run off the end of an HDW heirarchy when downloading the chain.
 
 
 API changes: