Update index.bs

index.bs

@@ -830,9 +830,8 @@ sequence<{{WebTransportHash}}> |serverCertificateHashes|, run these steps.
    [=environment settings object/policy container=], [=request/destination=] is an empty string,
    [=request/origin=] is |origin| and [=request/redirect mode=] is "error". 
 
-Note: redirects are intentionally not exposed to the application. In cross-origin contexts, this
-would reveal information that would normally be blocked by CORS. In same-origin contexts, it 
-would encourage users to abuse the handshake as a vector for passing information. 
+Note: Redirects are not followed. Network errors caused by redirection are intentionally indistinguishable from other network errors.  In cross-origin contexts, this would reveal information that would normally be blocked
+by CORS. In same-origin contexts, it would encourage users to abuse the handshake as a vector for passing information. 
 
 1. Run <a>report Content Security Policy violations for |request|</a>.
 1. If [=should request be blocked by Content Security Policy?=] with |request| returns