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@@ -13,7 +13,7 @@ This book is mostly intended for coders. If you can use a programming language,
 
 === About Early Release books from O'Reilly
 
-This is an early release copy of __Mastering Bitcoin__'s second edition. The text, figures, and examples are a work in progress, and several chapters are yet to be revised for this editionn. We are releasing the book before it is finished because we hope that it is already useful in its current form and because we would love your feedback in order to create the best possible finished product. 
+This is an early release copy of __Mastering Bitcoin__'s second edition. The text, figures, and examples are a work in progress, and several chapters are yet to be revised for this edition. We are releasing the book before it is finished because we hope that it is already useful in its current form and because we would love your feedback in order to create the best possible finished product. 
 
 If you find any errors or glaring omissions, if you find anything confusing, or if you have any ideas for improving the book, please email the author and editors at bookquestions@oreilly.com