Merge pull request #138 from oauth-wg/pb/editorial

Update draft-ietf-oauth-attestation-based-client-auth.md

Author: c2bo

draft-ietf-oauth-attestation-based-client-auth.md

@@ -636,6 +636,7 @@ This section requests registration of the following scheme in the "Hypertext Tra
 -07
 
 * require `iat` in Client Attestation PoP JWT
+* clarify `use_attestation_challenge` and add `invalid_client_attestation`
 
 -06
 
@@ -703,6 +704,7 @@ Filip Skokan,
 Francesco Marino,
 Guiseppe De Marco,
 Kristina Yasuda,
+Micha Kraus,
 Michael B. Jones,
 Takahiko Kawasaki
 and