clarify that awaiting redemption is a skippable state. clarify disincentive to provide signature
@@ -26,10 +26,13 @@ outstanding TBTC from the `Deposit` (counting any existing equity).
** Awaiting Withdrawal Signature
*** A withdrawal has been initiated by the Deposit owner
*** The signers MUST sign a digest
-*** The signers may return the digest for verification
+*** The signers may return the signature for verification
+*** *NOTE*: there is a disincentive to return a signature, as the caller must
+ pay for ecrecover gas and storage slot updates (to transition states).
** Awaiting Withdrawal Proof
*** The signers has returned a valid signature on the message
*** The signers MUST provide a settlement proof
+*** In happy cases, we may skip the this state entirely.
* *Can exit flow to*
** Fraud Pre-liquidation
*** via an ECDSA or BTC fraud proof
