Found 2 records.

Status: Verified (2)

RFC 3514, "The Security Flag in the IPv4 Header", April 2003

Errata ID: 4390
Status: Verified
Type: Editorial
Publication Format(s) : TEXT
Reported By: -
Date Reported: 2015-06-10

Section 5 says:

this permit easy encoding

It should say:

this permits easy encoding

Notes:

permit -> permits. Singular verb form instead of plural

Errata ID: 5309
Status: Verified
Type: Editorial
Publication Format(s) : TEXT
Reported By: micheal65536
Date Reported: 2018-03-28
Verifier Name: RFC Editor
Date Verified: 2018-03-28

Section 4 says:

Routers that are not intended as as security devices SHOULD NOT

It should say:

Routers that are not intended as security devices SHOULD NOT

Notes:

Duplicated word.

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