diff --git a/ch02_overview.adoc b/ch02_overview.adoc
index 71cda953..26ca1143 100644
--- a/ch02_overview.adoc
+++ b/ch02_overview.adoc
@@ -468,7 +468,7 @@ computation to verify as correct.
 The mining process serves two purposes in Bitcoin:
 
 * Miners can only
-receive honest income from creating blocks that follow all of Bitcoin's
+receive honest income from creating blocks that follow all of((("consensus rules"))) Bitcoin's
 _consensus rules_.  Therefore, miners are normally incentivized to
 only include valid transactions in their blocks and the blocks they
 build upon.  This allows users to optionally make a trust-based
@@ -481,7 +481,7 @@ and diminishes with time, following a fixed issuance schedule.
 
 Mining achieves a fine balance between cost and reward. Mining uses
 electricity to solve a computational problem. A successful miner will
-collect a _reward_ in the form of new bitcoins and transaction fees.
+collect ((("rewards")))a _reward_ in the form of new bitcoins and transaction fees.
 However, the reward will only be collected if the miner has only
 included valid transactions, with the Bitcoin protocol's rules for
 _consensus_ dermining what is valid.  This delicate balance provides