Update index.bs

spec/index.bs

@@ -774,13 +774,13 @@ the exception thrown.
         next steps. The user agent MAY also return (failure, false) at this point or
         after some arbitrary wait.
 
-        Note: For example, the user agent could —
-        * show an identity provider selector and only proceed once
-          the user confirms their desire to use an identity provider.
-        * provide a button in the URL bar and wait for user input
-          before continuing. 
-        * use previous user behavior to determine not to show any
-          UI to the user and silently reject the request.
+        Note: For example, the user agent could:
+            * Show an identity provider selector and only proceed once
+                  the user confirms their desire to use an identity provider.
+            * Provide a button in the URL bar and wait for user input
+                  before continuing. 
+            * Use previous user behavior to determine not to show any
+                  UI to the user and silently reject the request.
     1. Let |loginStatus| be the result of [=get the login status=] with
         the [=/origin=] of |provider|'s {{IdentityProviderConfig/configURL}}.
     1. If |loginStatus| is [=unknown=], a user agent MAY set it to [=logged-out=].