Merge pull request #609 from sudeshnas25/patch-1

Update README.md

README.md

@@ -55,7 +55,7 @@ Thank you O'Reilly Media!
 
 ## Mastering Bitcoin - Second Edition
 
-The tags, [second_edition_print_1](https://github.com/bitcoinbook/bitcoinbook/releases/tag/second_edition_print_1) and  [second_edition_print2](https://github.com/bitcoinbook/bitcoinbook/releases/tag/second_edition_print2), correspond to the first (June 8th 2017) and second (July 20th 2017) print of Mastering Bitcoin (Second Edition), as published by O'Reilly Media.
+The tags, [second_edition_print_1](https://github.com/bitcoinbook/bitcoinbook/releases/tag/second_edition_print_1) and  [second_edition_print2](https://github.com/bitcoinbook/bitcoinbook/releases/tag/second_edition_print2), correspond to the first (June 8th, 2017) and second (July 20th, 2017) print of Mastering Bitcoin (Second Edition), as published by O'Reilly Media.
 
 <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-sa/4.0/88x31.png" /></a><br /><span xmlns:dct="http://purl.org/dc/terms/" href="http://purl.org/dc/dcmitype/Text" property="dct:title" rel="dct:type">Mastering Bitcoin - Second Edition</span> by <a xmlns:cc="http://creativecommons.org/ns#" href="https://antonopoulos.com/" property="cc:attributionName" rel="cc:attributionURL">Andreas M. Antonopoulos LLC</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.