Fix typo at line 62

Fix minor typo at line 62

Author: git-sgmoore

README.md

@@ -59,7 +59,7 @@ Rather confusingly Bitcoin Core shows transaction and block hashes as
 little-endian hex rather than the big-endian the rest of the world uses for
 SHA256. python-bitcoinlib provides the convenience functions x() and lx() in
 bitcoin.core to convert from big-endian and little-endian hex to raw bytes to
-accomodate this. In addition see b2x() and b2lx() for conversion from bytes to
+accommodate this. In addition see b2x() and b2lx() for conversion from bytes to
 big/little-endian hex.