Update fetch.bs

Co-authored-by: Domenic Denicola <[email protected]>

Author: noamr

fetch.bs

@@ -8453,7 +8453,7 @@ headers may have implications, such as requiring a <a>CORS-preflight fetch</a>,
 <a for=/>request</a>, set the request's <a for=request>cache mode</a> to a value other than
 "<code>default</code>".
 
-<p>Determine if your request should support redirects. If it doesn't, set its
+<p>Determine whether you want your request to support redirects. If you don't, set its
 <a for=request>redirect mode</a> to "<code>error</code>".
 
 <p>Browse through the rest of the parameters for <a for=/>request</a> to see if something else is