preface: Add link to CC-BY-NC

8 years ago · 674e5ace8c
parent 897ba7ad02
commit 674e5ace8c
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@ -66,7 +66,7 @@ This book is here to help you get your job done. In general, if example code is

 We appreciate, but do not require, attribution. An attribution usually includes the title, author, publisher, and ISBN. For example: “_Mastering Bitcoin_ by Andreas M. Antonopoulos (O’Reilly). Copyright 2015 Andreas M. Antonopoulos, 978-1-449-37404-4.”

-Some editions of this book are offered under an open source license, such as CC-BY-NC (creativecommons.org), in which case the terms of that license apply.
+Some editions of this book are offered under an open source license, such as [CC-BY-NC](https://creativecommons.org/licenses/by-nc/4.0/) (creativecommons.org), in which case the terms of that license apply.

 If you feel your use of code examples falls outside fair use or the permission given above, feel free to contact us at pass:[<a href="mailto:permissions@oreilly.com">permissions@oreilly.com</a>].