diff --git a/unitary/examples/quantum_chinese_chess/move.py b/unitary/examples/quantum_chinese_chess/move.py
index c041d268..f1fddcfa 100644
--- a/unitary/examples/quantum_chinese_chess/move.py
+++ b/unitary/examples/quantum_chinese_chess/move.py
@@ -402,7 +402,8 @@ def effect(self, *objects) -> Iterator[cirq.Operation]:
             alpha.PhasedMove()
         )(source_0, target_1)
 
-        # TODO(): Do we need to zero-out, i.e. reverse those ancillas?
+        # Note: we do not zero-out, i.e. reverse those ancillas. But we could do this
+        # if we want to reuse them.
 
         # Pass the classical properties of the source piece to the target pieces.
         target_0.reset(source_0)