Editorial Changes Requested

[PieterKas]

Section 2.1
Delete (there is not enough context at this point for the reader to understand why the examples are being described here): In one example, the resource server acts as the client and in the other, the authorization server acts as the client.

Section 2.4.2
From: If the assertion contains a requested_cnf claim and any other way of proof of possession has been supplied by the caller the correspond information MUST be equal.

To: If the assertion contains a requested_cnf claim and any other way of proof of possession has been supplied by the caller the corresponding information MUST be equal.