Update README.md

README.md

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 ## Licenses
 
 [![CC BY-SA 4.0][cc-by-nc-sa-image]][cc-by-nc-sa] 
-The [print edition of SICP JS](https://mitpress.mit.edu/books/structure-and-interpretation-computer-programs-1), the PDF generated by these scripts and the ebook edition are published by The MIT Press under a [Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License](cc-by-nc-sa) (CC BY-NC-SA). 
+The [print edition of SICP JS](https://mitpress.mit.edu/books/structure-and-interpretation-computer-programs-1), the PDF generated by these scripts and the ebook edition will be published by The MIT Press under a [Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License](cc-by-nc-sa) (CC BY-NC-SA). 
 
 [![CC BY-SA 4.0][cc-by-sa-image]][cc-by-sa] 
 The text of SICP JS is derived from the book *Structure and Interpretation of Computer Programs*, Second Edition, 1996, (SICP) by Harold Abelson and Gerald Jay Sussman, and is licensed by these original authors and by the adapters Martin Henz and Tobias Wrigstad under a [Creative Commons Attribution-ShareAlike 4.0 International License](cc-by-sa) (CC BY-SA). A [comparison edition](http://sicp.sourceacademy.org) indicates the changes that were made to SICP for the adaptation. The figures are derived from figures created by Andres Raba in 2015 and are also subject to CC BY-SA.