diff --git a/ch14_applications.adoc b/ch14_applications.adoc
index ee348b22..12e1e463 100644
--- a/ch14_applications.adoc
+++ b/ch14_applications.adoc
@@ -181,7 +181,7 @@ opened in transit.
 
 In the context of colored coins, single-use seals refer to a data
 structure than can only be associated with another data structure once.
-In Bitcoin, this definition is fulfilled by unspent transaction outputs
+In Bitcoin, this((("UTXOs (unspent transaction outputs)"))) definition is fulfilled by unspent transaction outputs
 (UTXOs).  A UTXO can only be spent once within a valid blockchain, and
 the process of spending them associates them with the data in the
 spending transaction.