diff --git a/core/vm/interface.go b/core/vm/interface.go
index ccfdec1ab5..86e8c56ab0 100644
--- a/core/vm/interface.go
+++ b/core/vm/interface.go
@@ -69,6 +69,7 @@ type StateDB interface {
 	SelfDestruct6780(common.Address) (uint256.Int, bool)
 
 	// Exist reports whether the given account exists in state.
+	// Notably this also returns true for self-destructed accounts within the current transaction.
 	Exist(common.Address) bool
 	// Empty returns whether the given account is empty. Empty
 	// is defined according to EIP161 (balance = nonce = code = 0).