Edited ch01_intro.adoc with Atlas code editor

ch01_intro.adoc

@@ -409,7 +409,7 @@ Here are some methods for acquiring bitcoin as a new user:
 * Find a friend who has bitcoins and buy some from him or her directly. Many Bitcoin users start this way. This method is the least complicated. One way to meet people with bitcoins is to attend a local Bitcoin meetup listed at pass:[<a href="https://meetup.com" class="orm:hideurl">Meetup.com</a>].
 * Earn bitcoin by selling a product or service for bitcoin. If you are a programmer, sell your programming skills. If you're a hairdresser, cut hair for bitcoins.
 * Use a Bitcoin ATM in your city.  A Bitcoin ATM is a machine that accepts cash and sends bitcoins to your smartphone Bitcoin wallet.
-* Use a Bitcoin currency exchange linked to your bank account. Many countries now have currency exchanges that offer a market for buyers and sellers to swap bitcoins with local currency. Exchange-rate listing services, such as https://bitcoinaverage.com[BitcoinAverage], often show a list of Bitcoin exchanges for each currency.
+* Use((("bitcoins", "currency exchanges", id="bitcoin-exchange")))((("currency exchanges", id="currency-exchange"))) a Bitcoin currency exchange linked to your bank account. Many countries now have currency exchanges that offer a market for buyers and sellers to swap bitcoins with local currency. Exchange-rate listing services, such as https://bitcoinaverage.com[BitcoinAverage], often show a list of Bitcoin exchanges for each currency.
 
 [TIP]
 ====
@@ -426,7 +426,7 @@ Bitcoin address is attached to an identity, other associated Bitcoin
 transactions may also become easy to identify and track--including
 transactions made earlier. This is one reason
 many users choose to maintain dedicated exchange accounts independent from
-their wallets.
+their ((("bitcoins", "currency exchanges", startref="bitcoin-exchange")))((("currency exchanges", startref="currency-exchange")))wallets.
 ====
 
 Alice was introduced to Bitcoin by a friend so she has an easy way to acquire her first bitcoins. Next, we will look at how she buys bitcoins from her friend Joe and how Joe sends the bitcoins to her ((("bitcoins", "acquiring", startref="bitcoin-acquire")))((("acquiring", "bitcoins", startref="acquire-bitcoin")))wallet.