diff --git a/spec.bs b/spec.bs
index 6a45958..8499b2a 100644
--- a/spec.bs
+++ b/spec.bs
@@ -510,6 +510,12 @@ The <dfn attribute for=HTMLFencedFrameElement>config</dfn> IDL attribute getter
        Note: This holds because when the element has been removed from the DOM, its removal steps
        immediately destroy the [=fenced navigable container/fenced navigable=].
 
+  1. Let |instance| be [=this=]'s [=relevant global object=]'s [=Window/browsing context=]'s
+     [=browsing context/fenced frame config instance=].
+
+  1. If |instance| is not null, and its [=fenced frame config instance/untrusted network status=]
+     is not [=untrusted network status/enabled=], then return.
+
   1. Let |navigation url or urn| be the given {{FencedFrameConfig}}'s [=fencedframeconfig/url=] if
      the given {{FencedFrameConfig}}'s [=fencedframeconfig/url=] is not null, and the given
      {{FencedFrameConfig}}'s [=fencedframeconfig/urn=] otherwise.
@@ -2114,6 +2120,9 @@ exempt specific URLs from network revocation.
 
 Issue: This will require a RFC to add a test-only function to the WPT web driver.
 (<a href="https://github.com/WICG/fenced-frame/issues/192">WICG/fenced-frame#192</a>)
+Once that web driver changes is made, existing Chromium-internal web platform tests for
+{{Fence/disableUntrustedNetwork()}} need to be upstreamed and linked here.
+(<a href="https://github.com/WICG/fenced-frame/issues/207">WICG/fenced-frame#207</a>)
 
 <div algorithm>
   To <dfn>revoke network for a partition nonce</dfn> using a [=fenced frame config