diff --git a/ch02_overview.adoc b/ch02_overview.adoc
index 2d72e876..5bff48ea 100644
--- a/ch02_overview.adoc
+++ b/ch02_overview.adoc
@@ -349,7 +349,7 @@ outputs belonging to addresses in the wallet. Therefore, Alice's wallet
 would contain a copy of the transaction output from Joe's transaction,
 which was created in exchange for cash (see <<getting_first_bitcoin>>).
 A bitcoin wallet application that runs on a full node actually
-contains a copy of every confirmed transaction's ((("UTXOs (Unspent Transaction Outputs)")))unspent outputs, called
+contains a copy of every confirmed transaction's ((("UTXOs (unspent transaction outputs)")))unspent outputs, called
 _Unspent Transaction Outputs_ (UTXOs).
 However, because full nodes use more resources, many
 user wallets run lightweight clients that track only the user's own