diff --git a/ch02_overview.adoc b/ch02_overview.adoc
index 78007e20..d3f382b7 100644
--- a/ch02_overview.adoc
+++ b/ch02_overview.adoc
@@ -243,7 +243,7 @@ created, this unit didn't have a name and some developers simply called
 it the _base unit._  Later many users began calling this unit a
 _satoshi_ (sat) in honor of Bitcoin's creator.  In <<transaction-chain>>
 and some other illustrations in this book, we use satoshi values because
-that's what the protocol itself ((("satoshis")))((("transaction chains", id="transaction-chains")))uses.
+that's what the protocol itself ((("satoshis")))((("transaction chains", startref="transaction-chains")))uses.
 ====
 
 ==== Making Change