diff --git a/ch06_transactions.adoc b/ch06_transactions.adoc
index db25c8f3..1b1af64d 100644
--- a/ch06_transactions.adoc
+++ b/ch06_transactions.adoc
@@ -952,7 +952,7 @@ program_.  It's also possible to wrap the segwit template in a P2SH
 commitment, but we won't deal with that in this chapter.
 
 From the perspective of old nodes, these output script templates can be
-spent with an empty input script.  From the perspective of a new node that
+spent with an input script containing just OP_TRUE. From the perspective of a new node that
 is aware of the new segwit rules, any payment to a segwit output script
 template must only be spent with an empty input script.  Notice the
 difference here: old nodes _allow_ an empty input script; new nodes