TallTed oxford commas

spec/index.bs

@@ -899,7 +899,7 @@ the exception thrown.
     1. Otherwise, if |mediation| is "{{CredentialMediationRequirement/silent}}", return (failure, true).
     1. Otherwise, if |accountsList|'s size is 1:
         1. Set |account| to |accountsList|[0].
-        1. If [=compute the connection status=] of |account|, |provider| and |globalObject| returns
+        1. If [=compute the connection status=] of |account|, |provider|, and |globalObject| returns
             [=compute the connection status/connected=], show a dialog to request user permission to sign
             in via |account|, and set the result in |permission|. The user agent MAY use |options|'s
             {{IdentityCredentialRequestOptions/context}} and |options|'s
@@ -915,7 +915,7 @@ the exception thrown.
             [=compute the connection status/connected=], set |permission| to true.
         1. Otherwise, if |provider|.{{IdentityProviderRequestOptions/fields}} is [=list/empty=],
             [=create a connection between the RP and the IdP account=] with |provider|, |account|,
-            and |globalObject| and set |permission| to |true|.
+            and |globalObject|, and set |permission| to |true|.
 
             Note: The connection would normally be created in the [=request permission to sign-up=]
                 algorithm, but we do not want to show an extra dialog in this case.
@@ -1246,8 +1246,8 @@ To <dfn>fetch an identity assertion</dfn> given a {{USVString}}
 
         Note: This parameter exists for backwards compatibility with older identity providers
             that do not yet support `disclosure_shown_for`. At the time, the disclosure text,
-            if shown, always included name, email and picture. Newer identity providers should
-            check `disclosure_shown_for` instead.
+            if shown, always included name, email, and picture. Newer identity providers should
+            instead check `disclosure_shown_for`.
     1. If |provider|'s {{IdentityProviderRequestOptions/params}} is not empty:
         1. Let |json| be the result of [=serializing a JavaScript value to a JSON string=]
             with |provider|'s {{IdentityProviderRequestOptions/params}}.