Merge branch 'update-aaguid-def' into update-aaguid-def-retain-authda…

…ta-def

index.bs

@@ -4093,12 +4093,12 @@ considered more trustworthy than the rest of the authenticator.
 Each authenticator stores a <dfn for=authenticator>credentials map</dfn>, a [=map=] from ([=rpId=], [=public key credential source/userHandle=]) to
 [=public key credential source=].
 
-Additionally, each authenticator has an Authenticator Attestation GUID or <dfn>AAGUID</dfn>, which is a 128-bit identifier indicating the type (e.g. make and model) of the
-authenticator. The AAGUID MUST be chosen by its maker to be identical across all substantially identical authenticators made by that maker, and 
-different (with high probability) from the AAGUIDs of all other types of authenticators. The AAGUID for a given type of authenticator SHOULD be 
-randomly generated to ensure this. The [=[RP]=] MAY use the AAGUID to infer certain properties of the authenticator, such as certification level 
-and strength of key protection, using information from other sources. The [=[RP]=] MAY use the AAGUID to attempt to identify the maker of the authenticator
-without performing [=attestation=], but would be unable to trust that inference unless [=attestation=] is performed.
+Additionally, each authenticator has an Authenticator Attestation Globally Unique Identifier or <dfn>AAGUID</dfn>, which is a 128-bit identifier 
+indicating the type (e.g. make and model) of the authenticator. The AAGUID MUST be chosen by its maker to be identical across all substantially identical 
+authenticators made by that maker, and different (with high probability) from the AAGUIDs of all other types of authenticators. The AAGUID for a given type 
+of authenticator SHOULD be randomly generated to ensure this. The [=[RP]=] MAY use the AAGUID to infer certain properties of the authenticator, such as 
+certification level and strength of key protection, using information from other sources. The [=[RP]=] MAY use the AAGUID to attempt to identify the maker of 
+the authenticator without requesting and verifying [=attestation=], but the AAGUID is not provably authentic without [=attestation=].
 
 The primary function of the authenticator is to provide [=WebAuthn signatures=], which are bound to various contextual data. These
 data are observed and added at different levels of the stack as a signature request passes from the server to the