diff --git a/fetch.bs b/fetch.bs
index 7872b8067..822c859c5 100755
--- a/fetch.bs
+++ b/fetch.bs
@@ -126,6 +126,12 @@ urlPrefix:https://www.rfc-editor.org/rfc/rfc6454;type:dfn;spec:RFC6454
         "publisher": "IETF",
         "title": "WebTransport over HTTP/3"
     },
+    "WEBTRANSPORT-HTTP2": {
+        "authors": ["E. Kinnear"],
+        "href": "https://datatracker.ietf.org/doc/html/draft-ietf-webtrans-http2",
+        "publisher": "IETF",
+        "title": "WebTransport over HTTP/2"
+    },
     "SVCB": {
         "aliasOf": "RFC9460"
     }
@@ -6656,6 +6662,24 @@ optional boolean <var>forceNewConnection</var> (default false), run these steps:
    to the <a for=/>coarsened shared current time</a> given <var>fetchParams</var>'s
    <a for="fetch params">cross-origin isolated capability</a>.
 
+   <li>
+    <p>If <var>request</var>'s <a for=request>mode</a> is "<code>webtransport</code>":
+
+    <ol>
+     <li><p><a for=/>Assert</a>: <var>request</var>'s <a for=request>method</a> is
+     `<code>CONNECT</code>`.
+
+     <li><p><a for=/>Assert</a>: the "<code>:protocol</code>" pseudo-header associated with
+     <var>request</var> is "<code>webtransport</code>".
+
+     <li>
+      <p>If <var>connection</var> is an HTTP/3 connection, then set the "<code>:protocol</code>"
+      pseudo-header to "<code>webtransport-h3</code>". [[!WEBTRANSPORT-HTTP3]]
+
+      <p class=note>"<code>webtransport</code>" remains the correct value for WebTransport over an
+      HTTP/2 connection. [[WEBTRANSPORT-HTTP2]]
+    </ol>
+
    <li>
     <p>Set <var>response</var> to the result of making an HTTP request over <var>connection</var>
     using <var>request</var> with the following caveats: