diff --git a/ch05_wallets.adoc b/ch05_wallets.adoc
index d471d8e8..325ae7f8 100644
--- a/ch05_wallets.adoc
+++ b/ch05_wallets.adoc
@@ -20,7 +20,7 @@ In those cases, we'll describe the various options available.
 
 === Independent Key Generation
 
-Wallets for physical cash hold that cash,
+Wallets ((("wallets", "key generation", "independent", id="wallet-keygen-independent")))((("key generation", "independent", id="keygen-independent")))((("independent key generation", id="independent-keygen")))for physical cash hold that cash,
 so it's unsurprising that many people mistakenly believe that
 Bitcoin wallets contain bitcoins.  In fact, what many people call a
 Bitcoin wallet--which we call a _wallet database_ to distinguish it
@@ -60,7 +60,7 @@ that could only reasonably be backed up using digital media.
 image::images/mbc3_0501.png["Non-Deterministic Wallet"]
 
 Modern wallet applications don't independently generate keys but instead
-derive them from a single random seed using a repeatable (deterministic)
+derive them from a single random seed using a ((("wallets", "key generation", "independent", startref="wallet-keygen-independent")))((("key generation", "independent", startref="keygen-independent")))((("independent key generation", startref="independent-keygen")))repeatable (deterministic)
 algorithm.
 
 ==== Deterministic Key Generation