RFC 6749, "The OAuth 2.0 Authorization Framework", October 2012

Note: This RFC has been updated by RFC 8252, RFC 8996

Errata ID: 4945
Status: Reported
Type: Editorial
Publication Format(s) : TEXT
Reported By: Abhimanyu Singh Gaur
Date Reported: 2017-02-21

Section 4.1.4 says:

If the access token request is valid and authorized, the
   authorization server issues an access token and optional refresh
   token as described in Section 5.1.  If the request client
   authentication failed or is invalid, the authorization server returns
   an error response as described in Section 5.2.

It should say:

If the access token request is valid and authorized, the
   authorization server issues an access token and optional refresh
   token as described in Section 5.1.  If the request failed client
   authentication or is invalid, the authorization server returns
   an error response as described in Section 5.2.

Notes:

In the 2nd line, "request failed" makes more sense than the original text.
The 1st paragraph of section 5 in the document and the para just before section 5 also state "If the request failed client authentication or ..." instead of what is currently mentioned in section 4.1.4.

It is just a typing mistake, I think the words got exchanged during typing.
Please, correct it.

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