RFC 1034, "Domain names - concepts and facilities", November 1987

Note: This RFC has been updated by RFC 1101, RFC 1183, RFC 1348, RFC 1876, RFC 1982, RFC 2065, RFC 2181, RFC 2308, RFC 2535, RFC 4033, RFC 4034, RFC 4035, RFC 4343, RFC 4035, RFC 4592, RFC 5936, RFC 8020, RFC 8482, RFC 8767, RFC 9471

Errata ID: 4511
Status: Held for Document Update
Type: Editorial
Publication Format(s) : TEXT
Reported By: Han Ge Xin
Date Reported: 2015-10-23
Held for Document Update by: Terry Manderson
Date Held: 2015-11-01

Section 3.6 says:

identifies a mail exchange for the domain. See [RFC-974 for details.

It should say:

identifies a mail exchange for the domain. See [RFC-974] for details.

Notes:

Just missing the "]"

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