diff --git a/ch05.asciidoc b/ch05.asciidoc
index 8d1d1e4b..ddce09c5 100644
--- a/ch05.asciidoc
+++ b/ch05.asciidoc
@@ -10,7 +10,7 @@ Another method for making keys is((("deterministic key generation"))) _determini
 
 [TIP]
 ====
-Bitcoin wallets contain keys, not coins. Each user has a wallet containing keys. Wallets are really keychains containing pairs of private/public keys (see <<private_public_keys>>). Users sign transactions with the keys, thereby proving they own the transaction outputs (their coins). The coins are stored on the blockchain in the form of transaction-ouputs (often noted as vout or txout).((("txout notation")))((("vout notation")))
+Bitcoin wallets contain keys, not coins. Each user has a wallet containing keys. Wallets are really keychains containing pairs of private/public keys (see <<private_public_keys>>). Users sign transactions with the keys, thereby proving they own the transaction outputs (their coins). The coins are stored on the blockchain in the form of transaction-outputs (often noted as vout or txout).((("txout notation")))((("vout notation")))
 ====
 
 [[random_wallet]]