return csa_return_code[rc];
case VERIFY_HDR_SYNTAX:
- /* Check that all relevant header lines have the correct syntax. If there is
+ /* Check that all relevant header lines have the correct 5322-syntax. If there is
a syntax error, we return details of the error to the sender if configured to
send out full details. (But a "message" setting on the ACL can override, as
always). */