diff --git a/ch03.asciidoc b/ch03.asciidoc
index c9eaa807..f5c5386d 100644
--- a/ch03.asciidoc
+++ b/ch03.asciidoc
@@ -519,7 +519,7 @@ It will take some time, perhaps more than a day, for the +bitcoind+ client to "c
 
 
 
-In <<cup_of_coffee>>, Alice bought a cup of coffee from Bob's Cafe. Her transaction was recorded on the blockchain with transaction ID (txid) +0627052b6f28912f2703066a912ea577f2ce4da4caa5a5fbd8a57286c345c2f2+. Let's use the API to retrieve and examine that transaction by passing the transaction ID as a parameter:
+In <<cup_of_coffee>>, ((("use cases", "buying coffee", id="alicethree")))Alice bought a cup of coffee from Bob's Cafe. Her transaction was recorded on the blockchain with transaction ID (txid) +0627052b6f28912f2703066a912ea577f2ce4da4caa5a5fbd8a57286c345c2f2+. Let's use the API to retrieve and examine that transaction by passing the transaction ID as a parameter:
 
 ++++
 <pre data-type="programlisting">
@@ -677,7 +677,7 @@ $ bitcoin-cli getblock 0000000000000001b6b9a13b095e96db41c4a928b97ef2d944a9b3&#x
 </pre>
 ++++
 
-The block contains 419 transactions and the 64th transaction listed (+0627052b...+) is Alice's coffee payment. The +height+ entry tells us this is the 277316th block in the blockchain.
+The block contains 419 transactions and the 64th transaction listed (+0627052b...+) is Alice's coffee payment. The +height+ entry tells us this is the 277316th block in the blockchain.((("", startref="alicethree")))
 
 ==== Using Bitcoin Core's Programmatic Interface