diff --git a/ch02_overview.adoc b/ch02_overview.adoc
index 3e62ee79..238114d5 100644
--- a/ch02_overview.adoc
+++ b/ch02_overview.adoc
@@ -540,7 +540,7 @@ validates the winning block, they start a new lottery to generate the next
 block.
 
 The winning block containing Alice's transaction became part of the
-blockchain. The block containing Alice's transaction is counted as one
+blockchain. The block containing Alice's transaction is counted as ((("confirmations")))one
 _confirmation_ of that transaction.  After the block containing Alice's
 transaction has propagated through the network, creating an alternative
 block with a different version of Alice's transaction (such as a