fixed doc error
@@ -36,12 +36,12 @@ HashF = Callable[[], Any]
# etc.
Octets = Union[bytes, str]
-# bytes or ASCII string (not hex-string)
+# bytes or text string (not hex-string)
#
# to convert to bytes, just encode()
# e.g. in order to sign a message
# if isinstance(msg, str):
-# msg = msg.encode('ascii')
+# msg = msg.encode()
#
# in many cases (e.g. b58addr, b32addr, wif, bip32key)
# leading/trailing blanks can be stripped
