Edited ch02_overview.adoc with Atlas code editor

ch02_overview.adoc

@@ -172,7 +172,7 @@ the transaction, there are one or more _outputs_, which receive funds.
 The inputs
 and outputs do not necessarily add up to the same
 amount. Instead, outputs add up to slightly less than inputs and the
-difference represents an implied _transaction fee_, which is a small
+difference represents an ((("transaction fees")))implied _transaction fee_, which is a small
 payment collected by the miner who includes the transaction in the
 blockchain. A Bitcoin transaction is shown as a bookkeeping ledger entry in
 <<transaction-double-entry>>.