Edited ch02_overview.adoc with Atlas code editor

ch02_overview.adoc

@@ -601,7 +601,7 @@ image::images/mbc3_0208.png["Alice's transaction included in a block"]
 
 === Spending the Transaction
 
-Now that Alice's
+Now((("transactions", "spending bitcoins", id="transaction-spend2")))((("bitcoins", "spending", id="bitcoin-spend2")))((("spending", "bitcoins", id="spend-bitcoin2"))) that Alice's
 transaction has been embedded in the blockchain as part of a block, it
 is visible to all Bitcoin
 applications. Each Bitcoin full node can independently verify the
@@ -627,7 +627,7 @@ look like <<block-alice2>>.
 .Alice's transaction as part of a transaction chain from Joe to Gopesh
 image::images/mbc3_0209.png["Alice's transaction as part of a transaction chain"]
 
-In this chapter, we saw how transactions build a chain that moves value
+In this chapter, we((("transactions", "spending bitcoins", startref="transaction-spend2")))((("bitcoins", "spending", startref="bitcoin-spend2")))((("spending", "bitcoins", startref="spend-bitcoin2"))) saw how transactions build a chain that moves value
 from owner to owner. We also tracked Alice's transaction, from the
 moment it was created in her wallet, through the Bitcoin network and to
 the miners who recorded it on the blockchain. In the rest of this book,