diff --git a/ch01.asciidoc b/ch01.asciidoc
index b5f0973f..6fd5c2c7 100644
--- a/ch01.asciidoc
+++ b/ch01.asciidoc
@@ -228,7 +228,7 @@ Joe then carefully checks to make sure he has entered the correct amount, becaus
 
 Meanwhile, Alice's wallet is constantly "listening" to published transactions on the bitcoin network, looking for any that match the addresses it contains. A few seconds after Joe's wallet transmits the transaction, Alice's wallet will indicate that it is receiving 0.10 BTC.
 
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 Each bitcoin can be subdivided into 100 million units, each called a "satoshi" (singular) or "satoshis" (plural). Named for bitcoin's creator, the Satoshi is the smallest unit of bitcoin, equivalent to 0.00000001 BTC.