diff --git a/ch12_mining.adoc b/ch12_mining.adoc
index d8a59747..ff9cf2ed 100644
--- a/ch12_mining.adoc
+++ b/ch12_mining.adoc
@@ -427,7 +427,7 @@ that have occurred by dividing the current block height by the halving
 interval (+SubsidyHalvingInterval+).
 
 Next, the function uses the binary-right-shift operator to divide the
-reward (+nSubsidy+) by two for each round of halving. In the case of
+reward [.keep-together]#(+nSubsidy+)# by two for each round of halving. In the case of
 block 277,316, this would binary-right-shift the reward of 5 billion
 satoshis once (one halving) and result in 2.5 billion satoshis, or 25
 bitcoins. After the 33rd halving, the subsidy will be rounded down to