docs: model.saveAuthorizationCode pkce parameters corrected

Author: jankapunkt

docs/misc/pkce.rst

@@ -98,7 +98,7 @@ If your Request body contains code_challenge and code_challenge_method then PKCE
     B. The Authorization Endpoint responds as usual but records "t(code_verifier)" and the transformation method.
 
 The ``AuthorizeHandler.handle`` saves code challenge and code challenge method automatically via ``model.saveAuthorizationCode``.
-Note that this calls your model with additional arguments ``codeChallenge`` and ``codeChallengeMethod``.
+Note that this calls your model with additional properties ``code.codeChallenge`` and ``code.codeChallengeMethod``.
 
 
 3. Access Token Request

docs/model/spec.rst

@@ -632,7 +632,7 @@ If the ``allowExtendedTokenAttributes`` server option is enabled (see :ref:`OAut
 
 .. _Model#saveAuthorizationCode:
 
-``saveAuthorizationCode(code, client, user, [codeChallenge], [codeChallengeMethod])``
+``saveAuthorizationCode(code, client, user)``
 =========================================================
 
 Invoked to save an authorization code.