diff --git a/fetch.bs b/fetch.bs
index 188ddd74e..44d834bbd 100644
--- a/fetch.bs
+++ b/fetch.bs
@@ -3810,21 +3810,19 @@ number of these <a lt="CORS-preflight fetch">fetches</a>.
 steps:
 
 <ol>
- <li><p>Let <var>preflight</var> be a new <a for=/>request</a>
- whose <a for=request>method</a> is `<code>OPTIONS</code>`,
- <a for=request>url</a> is <var>request</var>'s
- <a for=request>current url</a>,
- <a for=request>initiator</a> is <var>request</var>'s
- <a for=request>initiator</a>,
- <a for=request>destination</a> is <var>request</var>'s
- <a for=request>destination</a>,
- <a for=request>origin</a> is <var>request</var>'s
- <a for=request>origin</a>,
- <a for=request>referrer</a> is <var>request</var>'s
- <a for=request>referrer</a>, and
- <a for=request>referrer policy</a> is
- <var>request</var>'s
- <a for=request>referrer policy</a>.
+ <li>
+  <p>Let <var>preflight</var> be a new <a for=/>request</a> whose
+  <a for=request>method</a> is `<code>OPTIONS</code>`,
+  <a for=request>url</a> is <var>request</var>'s <a for=request>current url</a>,
+  <a for=request>initiator</a> is <var>request</var>'s <a for=request>initiator</a>,
+  <a for=request>destination</a> is <var>request</var>'s <a for=request>destination</a>,
+  <a for=request>origin</a> is <var>request</var>'s <a for=request>origin</a>,
+  <a for=request>referrer</a> is <var>request</var>'s <a for=request>referrer</a>, and
+  <a for=request>referrer policy</a> is <var>request</var>'s <a for=request>referrer policy</a>.
+
+  <p class="note no-backref">The <a for=request>service-workers mode</a> of <var>preflight</var>
+  does not matter as this algorithm uses <a>HTTP-network-or-cache fetch</a> rather than
+  <a>HTTP fetch</a>.
 
  <li><p><a for="header list">Set</a> `<a http-header><code>Access-Control-Request-Method</code></a>`
  to <var>request</var>'s <a for=request>method</a> in <var>preflight</var>'s