token version

00.md

@@ -311,11 +311,11 @@ cashuBo2F0gqJhaUgA_9SLj17PgGFwgaNhYQFhc3hAYWNjMTI0MzVlN2I4NDg0YzNjZjE4NTAxNDkyMT
 V3 and V4 Token can be transmitted in a binary format when applicable. For this the serialised token is prepended with a prefix and a version byte.
 
 ```
-utf8('CRAW') <version_uint8> <serialised_token>
+utf8('craw') utf8(<token_version>) <serialised_token>
 ```
 
-- Token V3 Version: `utf8('CRAW') 0x01 cbor(token_object)`
-- Token V4 Version: `utf8('CRAW') 0x02 cbor(token_object)`
+- Token V3 Version: `utf8('craw') utf8("A") cbor(token_object)`
+- Token V4 Version: `utf8('craw') utf8("B") cbor(token_object)`
 
 [00]: 00.md
 [01]: 01.md