diff --git a/ch05_wallets.adoc b/ch05_wallets.adoc
index 74f5ab65..090ac667 100644
--- a/ch05_wallets.adoc
+++ b/ch05_wallets.adoc
@@ -21,7 +21,7 @@ In those cases, we'll describe the various options available.
 === Independent Key Generation
 
 ++++
-<p class="fix_tracking">
+<p class="fix_tracking2">
 Wallets 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