Streamline user.name definition and add examples

index.bs

@@ -3186,12 +3186,11 @@ associated with or [=scoped=] to, respectively.
           - When inherited by {{PublicKeyCredentialUserEntity}}, it is a
             [=human palatability|human-palatable=] identifier for a [=user account=]. This
             identifier is the primary value displayed to users by [=Clients=] to help users
-            understand with which [=user account=] a credential is associated. The [=[RP]=] MAY
-            extend the identifier to help a user differentiate between multiple credentials for
-            a single [=user account=] when the same value would otherwise be used for all
-            credentials.
+            understand with which [=user account=] a credential is associated.
 
-            Examples of suitable values for this identifier include, "alex.mueller@example.com (Production)", "alexm", or "+14255551234".
+            Examples of suitable values for this identifier include, "alexm", "+14255551234",
+            "alex.mueller@example.com", "alex.mueller@example.com (prod-env)",
+            "alex.mueller@example.com (ACME Corp.)", or "alex.mueller@example.com (ОАО Примертех)".
 
               - The [=[RP]=] MAY let the user choose this value. The [=[RP]=] SHOULD perform enforcement,
                 as prescribed in Section 3.4.3 of [[!RFC8265]] for the UsernameCasePreserved Profile of the PRECIS