Remove the hyphen from QR-code because you later use QR code without a hyphen

ch01.asciidoc

@@ -59,7 +59,7 @@ North American Retail::
 Alice lives in Northern California, in the Bay Area. She has heard about bitcoin from her techie friends and wants to start using it. We will follow her story as she learns about bitcoin, acquires some and then spends some of her bitcoin to buy a cup of coffee at Bob's Cafe in Palo Alto. This story will introduce us to the software, the exchanges and basic transactions from the perspective of a retail consumer.
 
 Offshore Contract Services::
-Bob, the cafe owner in Palo Alto is building a new website. He has contracted with an Indian web developer, Gopesh, who lives in Bangalore India. Gopesh has agreed to be paid in bitcoin. This story will examine the use of bitcoin for outsourcing, contract services and international wire transfers. 
+Bob, the cafe owner in Palo Alto is building a new website. He has contracted with an Indian web developer, Gopesh, who lives in Bangalore, India. Gopesh has agreed to be paid in bitcoin. This story will examine the use of bitcoin for outsourcing, contract services and international wire transfers. 
 
 Charitable Donations::
 Eugenia is the director of a children's charity in the Philippines. Recently she has discovered bitcoin and wants to use it to reach a whole new group of foreign and domestic donors to fundraise for her charity. She's also investigating ways to use bitcoin to distribute funds quickly to areas of need. This story will show the use of bitcoin for global fundraising across currencies and borders and the use of an open ledger for transparency in charitable organizations.
@@ -68,7 +68,7 @@ Remittances and Reverse Remittances::
 Gopesh, the Indian web developer, is supporting his daughter Radhika who is a student in Essex, England. Gopesh is now considering sending Radhika bitcoin, eliminating the fees he used to pay for remittances. This story will demonstrate the use of local exchange and peer-to-peer exchanges for international remittances with bitcoin.
 
 Import/Export::
-Mohammed is an electronics importer in Dubai. He's trying to use bitcoin to buy electronics from the USA and China for import into the U.A.E., to accelerate the process of payments for imports. This story will show how bitcoin can be used for large business-to-business international payments tied to physical goods.
+Mohammed is an electronics importer in Dubai. He's trying to use bitcoin to buy electronics from the USA and China for import into the U.A.E. to accelerate the process of payments for imports. This story will show how bitcoin can be used for large business-to-business international payments tied to physical goods.
 
 Mining for Bitcoin::
 Jing is a computer engineering student in Shanghai. He has built a "mining" rig to mine for bitcoins, using his engineering skills to supplement his income. This story will examine the "industrial" base of bitcoin, the specialized equipment used to secure the bitcoin network and issue new currency.
@@ -101,7 +101,7 @@ For the purposes of this book, we will be demonstrating the use of a variety of
 
 ==== Quick Start - Web Wallet
 
-A web-wallet is the easiest way to start using bitcoin, and is the choice of Alice who we introduced in <<user-stories>>. Alice is not a technical user and only recently heard about bitcoin from a friend. She starts her journey by visiting the official website bitcoin.org, where she finds a broad selection of bitcoin clients. Following the advice on the bitcoin.org site, she chooses a web-wallet by blockchain.info a popular hosted-wallet service. Following a link from bitcoin.org, she opens the blockchain.info wallet page at https://blockchain.info/wallet and selects "Start a New Wallet". To register her new wallet, she must enter an email address, a password and prove that she is a human by completing a CAPTCHA test. 
+A web-wallet is the easiest way to start using bitcoin, and is the choice of Alice who we introduced in <<user-stories>>. Alice is not a technical user and only recently heard about bitcoin from a friend. She starts her journey by visiting the official website bitcoin.org, where she finds a broad selection of bitcoin clients. Following the advice on the bitcoin.org site, she chooses a web-wallet by blockchain.info, a popular hosted-wallet service. Following a link from bitcoin.org, she opens the blockchain.info wallet page at https://blockchain.info/wallet and selects "Start a New Wallet". To register her new wallet, she must enter an email address, a password and prove that she is a human by completing a CAPTCHA test. 
 
 [WARNING]
 ====
@@ -120,7 +120,7 @@ A few seconds later, Alice can start using her new bitcoin web-wallet by logging
 .Blockchain.info - Wallet Home Screen
 image::images/blockchain-home.png["wallet home screen"]
 
-The most important part of this screen is Alice's _bitcoin address_. Like an email address, Alice can share this address and anyone can use it to send money directly to her new web-wallet. On the screen it appears as a long string of letters and numbers: +1Cdid9KFAaatwczBwBttQcwXYCpvK8h7FK+. Next to the wallet's bitcoin address, there is a QR-code, a form of barcode that contains the same information in a format that can be easily scanned by a smartphone's camera. Alice can print the QR code as a way to easily give her address to others without them having to type the long string of letters and numbers. 
+The most important part of this screen is Alice's _bitcoin address_. Like an email address, Alice can share this address and anyone can use it to send money directly to her new web-wallet. On the screen it appears as a long string of letters and numbers: +1Cdid9KFAaatwczBwBttQcwXYCpvK8h7FK+. Next to the wallet's bitcoin address, there is a QR code, a form of barcode that contains the same information in a format that can be easily scanned by a smartphone's camera. Alice can print the QR code as a way to easily give her address to others without them having to type the long string of letters and numbers. 
 
 [TIP]
 ====